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-rw-r--r--fs/ufs/balloc.c197
-rw-r--r--fs/ufs/ialloc.c116
-rw-r--r--fs/ufs/inode.c193
-rw-r--r--fs/ufs/namei.c2
-rw-r--r--fs/ufs/super.c49
-rw-r--r--fs/ufs/symlink.c2
-rw-r--r--fs/ufs/truncate.c141
-rw-r--r--fs/ufs/util.h57
8 files changed, 512 insertions, 245 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 638f4c585e8..0e97a4f79c3 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -4,6 +4,8 @@
* Copyright (C) 1998
* Daniel Pirkl <daniel.pirkl@email.cz>
* Charles University, Faculty of Mathematics and Physics
+ *
+ * UFS2 write support Evgeniy Dushistov <dushistov@mail.ru>, 2007
*/
#include <linux/fs.h>
@@ -21,38 +23,42 @@
#include "swab.h"
#include "util.h"
-static unsigned ufs_add_fragments (struct inode *, unsigned, unsigned, unsigned, int *);
-static unsigned ufs_alloc_fragments (struct inode *, unsigned, unsigned, unsigned, int *);
-static unsigned ufs_alloccg_block (struct inode *, struct ufs_cg_private_info *, unsigned, int *);
-static unsigned ufs_bitmap_search (struct super_block *, struct ufs_cg_private_info *, unsigned, unsigned);
+#define INVBLOCK ((u64)-1L)
+
+static u64 ufs_add_fragments(struct inode *, u64, unsigned, unsigned, int *);
+static u64 ufs_alloc_fragments(struct inode *, unsigned, u64, unsigned, int *);
+static u64 ufs_alloccg_block(struct inode *, struct ufs_cg_private_info *, u64, int *);
+static u64 ufs_bitmap_search (struct super_block *, struct ufs_cg_private_info *, u64, unsigned);
static unsigned char ufs_fragtable_8fpb[], ufs_fragtable_other[];
static void ufs_clusteracct(struct super_block *, struct ufs_cg_private_info *, unsigned, int);
/*
* Free 'count' fragments from fragment number 'fragment'
*/
-void ufs_free_fragments(struct inode *inode, unsigned fragment, unsigned count)
+void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
- unsigned cgno, bit, end_bit, bbase, blkmap, i, blkno, cylno;
+ unsigned cgno, bit, end_bit, bbase, blkmap, i;
+ u64 blkno;
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
- UFSD("ENTER, fragment %u, count %u\n", fragment, count);
+ UFSD("ENTER, fragment %llu, count %u\n",
+ (unsigned long long)fragment, count);
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
lock_super(sb);
- cgno = ufs_dtog(fragment);
- bit = ufs_dtogd(fragment);
+ cgno = ufs_dtog(uspi, fragment);
+ bit = ufs_dtogd(uspi, fragment);
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_fragments", "freeing blocks are outside device");
goto failed;
@@ -101,9 +107,13 @@ void ufs_free_fragments(struct inode *inode, unsigned fragment, unsigned count)
fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
uspi->cs_total.cs_nbfree++;
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1);
- cylno = ufs_cbtocylno (bbase);
- fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(bbase)), 1);
- fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+ if (uspi->fs_magic != UFS2_MAGIC) {
+ unsigned cylno = ufs_cbtocylno (bbase);
+
+ fs16_add(sb, &ubh_cg_blks(ucpi, cylno,
+ ufs_cbtorpos(bbase)), 1);
+ fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+ }
}
ubh_mark_buffer_dirty (USPI_UBH(uspi));
@@ -127,24 +137,27 @@ failed:
/*
* Free 'count' fragments from fragment number 'fragment' (free whole blocks)
*/
-void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
+void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
- unsigned overflow, cgno, bit, end_bit, blkno, i, cylno;
+ unsigned overflow, cgno, bit, end_bit, i;
+ u64 blkno;
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
- UFSD("ENTER, fragment %u, count %u\n", fragment, count);
+ UFSD("ENTER, fragment %llu, count %u\n",
+ (unsigned long long)fragment, count);
if ((fragment & uspi->s_fpbmask) || (count & uspi->s_fpbmask)) {
ufs_error (sb, "ufs_free_blocks", "internal error, "
- "fragment %u, count %u\n", fragment, count);
+ "fragment %llu, count %u\n",
+ (unsigned long long)fragment, count);
goto failed;
}
@@ -152,8 +165,8 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
do_more:
overflow = 0;
- cgno = ufs_dtog (fragment);
- bit = ufs_dtogd (fragment);
+ cgno = ufs_dtog(uspi, fragment);
+ bit = ufs_dtogd(uspi, fragment);
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_blocks", "freeing blocks are outside device");
goto failed_unlock;
@@ -187,9 +200,14 @@ do_more:
fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
uspi->cs_total.cs_nbfree++;
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1);
- cylno = ufs_cbtocylno(i);
- fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(i)), 1);
- fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+
+ if (uspi->fs_magic != UFS2_MAGIC) {
+ unsigned cylno = ufs_cbtocylno(i);
+
+ fs16_add(sb, &ubh_cg_blks(ucpi, cylno,
+ ufs_cbtorpos(i)), 1);
+ fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+ }
}
ubh_mark_buffer_dirty (USPI_UBH(uspi));
@@ -308,15 +326,19 @@ static void ufs_clear_frags(struct inode *inode, sector_t beg, unsigned int n,
}
}
-unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
- unsigned goal, unsigned count, int * err, struct page *locked_page)
+u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
+ u64 goal, unsigned count, int *err,
+ struct page *locked_page)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
- unsigned cgno, oldcount, newcount, tmp, request, result;
+ unsigned cgno, oldcount, newcount;
+ u64 tmp, request, result;
- UFSD("ENTER, ino %lu, fragment %u, goal %u, count %u\n", inode->i_ino, fragment, goal, count);
+ UFSD("ENTER, ino %lu, fragment %llu, goal %llu, count %u\n",
+ inode->i_ino, (unsigned long long)fragment,
+ (unsigned long long)goal, count);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -324,11 +346,12 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
*err = -ENOSPC;
lock_super (sb);
-
- tmp = fs32_to_cpu(sb, *p);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
+
if (count + ufs_fragnum(fragment) > uspi->s_fpb) {
- ufs_warning (sb, "ufs_new_fragments", "internal warning"
- " fragment %u, count %u", fragment, count);
+ ufs_warning(sb, "ufs_new_fragments", "internal warning"
+ " fragment %llu, count %u",
+ (unsigned long long)fragment, count);
count = uspi->s_fpb - ufs_fragnum(fragment);
}
oldcount = ufs_fragnum (fragment);
@@ -339,10 +362,12 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
*/
if (oldcount) {
if (!tmp) {
- ufs_error (sb, "ufs_new_fragments", "internal error, "
- "fragment %u, tmp %u\n", fragment, tmp);
- unlock_super (sb);
- return (unsigned)-1;
+ ufs_error(sb, "ufs_new_fragments", "internal error, "
+ "fragment %llu, tmp %llu\n",
+ (unsigned long long)fragment,
+ (unsigned long long)tmp);
+ unlock_super(sb);
+ return INVBLOCK;
}
if (fragment < UFS_I(inode)->i_lastfrag) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
@@ -372,7 +397,7 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
if (goal == 0)
cgno = ufs_inotocg (inode->i_ino);
else
- cgno = ufs_dtog (goal);
+ cgno = ufs_dtog(uspi, goal);
/*
* allocate new fragment
@@ -380,14 +405,16 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
if (oldcount == 0) {
result = ufs_alloc_fragments (inode, cgno, goal, count, err);
if (result) {
- *p = cpu_to_fs32(sb, result);
+ ufs_cpu_to_data_ptr(sb, p, result);
*err = 0;
- UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
- ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
- locked_page != NULL);
+ UFS_I(inode)->i_lastfrag =
+ max_t(u32, UFS_I(inode)->i_lastfrag,
+ fragment + count);
+ ufs_clear_frags(inode, result + oldcount,
+ newcount - oldcount, locked_page != NULL);
}
unlock_super(sb);
- UFSD("EXIT, result %u\n", result);
+ UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -401,7 +428,7 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
locked_page != NULL);
unlock_super(sb);
- UFSD("EXIT, result %u\n", result);
+ UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -433,15 +460,14 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
locked_page != NULL);
ufs_change_blocknr(inode, fragment - oldcount, oldcount, tmp,
result, locked_page);
-
- *p = cpu_to_fs32(sb, result);
+ ufs_cpu_to_data_ptr(sb, p, result);
*err = 0;
UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
unlock_super(sb);
if (newcount < request)
ufs_free_fragments (inode, result + newcount, request - newcount);
ufs_free_fragments (inode, tmp, oldcount);
- UFSD("EXIT, result %u\n", result);
+ UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -450,9 +476,8 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
return 0;
}
-static unsigned
-ufs_add_fragments (struct inode * inode, unsigned fragment,
- unsigned oldcount, unsigned newcount, int * err)
+static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
+ unsigned oldcount, unsigned newcount, int *err)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
@@ -461,14 +486,15 @@ ufs_add_fragments (struct inode * inode, unsigned fragment,
struct ufs_cylinder_group * ucg;
unsigned cgno, fragno, fragoff, count, fragsize, i;
- UFSD("ENTER, fragment %u, oldcount %u, newcount %u\n", fragment, oldcount, newcount);
+ UFSD("ENTER, fragment %llu, oldcount %u, newcount %u\n",
+ (unsigned long long)fragment, oldcount, newcount);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first (uspi);
count = newcount - oldcount;
- cgno = ufs_dtog(fragment);
+ cgno = ufs_dtog(uspi, fragment);
if (fs32_to_cpu(sb, UFS_SB(sb)->fs_cs(cgno).cs_nffree) < count)
return 0;
if ((ufs_fragnum (fragment) + newcount) > uspi->s_fpb)
@@ -483,7 +509,7 @@ ufs_add_fragments (struct inode * inode, unsigned fragment,
return 0;
}
- fragno = ufs_dtogd (fragment);
+ fragno = ufs_dtogd(uspi, fragment);
fragoff = ufs_fragnum (fragno);
for (i = oldcount; i < newcount; i++)
if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i))
@@ -521,7 +547,7 @@ ufs_add_fragments (struct inode * inode, unsigned fragment,
}
sb->s_dirt = 1;
- UFSD("EXIT, fragment %u\n", fragment);
+ UFSD("EXIT, fragment %llu\n", (unsigned long long)fragment);
return fragment;
}
@@ -534,17 +560,19 @@ ufs_add_fragments (struct inode * inode, unsigned fragment,
if (fs32_to_cpu(sb, ucg->cg_frsum[k])) \
goto cg_found;
-static unsigned ufs_alloc_fragments (struct inode * inode, unsigned cgno,
- unsigned goal, unsigned count, int * err)
+static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
+ u64 goal, unsigned count, int *err)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
- unsigned oldcg, i, j, k, result, allocsize;
+ unsigned oldcg, i, j, k, allocsize;
+ u64 result;
- UFSD("ENTER, ino %lu, cgno %u, goal %u, count %u\n", inode->i_ino, cgno, goal, count);
+ UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n",
+ inode->i_ino, cgno, (unsigned long long)goal, count);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -593,7 +621,7 @@ cg_found:
if (count == uspi->s_fpb) {
result = ufs_alloccg_block (inode, ucpi, goal, err);
- if (result == (unsigned)-1)
+ if (result == INVBLOCK)
return 0;
goto succed;
}
@@ -604,9 +632,9 @@ cg_found:
if (allocsize == uspi->s_fpb) {
result = ufs_alloccg_block (inode, ucpi, goal, err);
- if (result == (unsigned)-1)
+ if (result == INVBLOCK)
return 0;
- goal = ufs_dtogd (result);
+ goal = ufs_dtogd(uspi, result);
for (i = count; i < uspi->s_fpb; i++)
ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i);
i = uspi->s_fpb - count;
@@ -620,7 +648,7 @@ cg_found:
}
result = ufs_bitmap_search (sb, ucpi, goal, allocsize);
- if (result == (unsigned)-1)
+ if (result == INVBLOCK)
return 0;
if(DQUOT_ALLOC_BLOCK(inode, count)) {
*err = -EDQUOT;
@@ -647,20 +675,21 @@ succed:
sb->s_dirt = 1;
result += cgno * uspi->s_fpg;
- UFSD("EXIT3, result %u\n", result);
+ UFSD("EXIT3, result %llu\n", (unsigned long long)result);
return result;
}
-static unsigned ufs_alloccg_block (struct inode * inode,
- struct ufs_cg_private_info * ucpi, unsigned goal, int * err)
+static u64 ufs_alloccg_block(struct inode *inode,
+ struct ufs_cg_private_info *ucpi,
+ u64 goal, int *err)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cylinder_group * ucg;
- unsigned result, cylno, blkno;
+ u64 result, blkno;
- UFSD("ENTER, goal %u\n", goal);
+ UFSD("ENTER, goal %llu\n", (unsigned long long)goal);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -672,7 +701,7 @@ static unsigned ufs_alloccg_block (struct inode * inode,
goto norot;
}
goal = ufs_blknum (goal);
- goal = ufs_dtogd (goal);
+ goal = ufs_dtogd(uspi, goal);
/*
* If the requested block is available, use it.
@@ -684,8 +713,8 @@ static unsigned ufs_alloccg_block (struct inode * inode,
norot:
result = ufs_bitmap_search (sb, ucpi, goal, uspi->s_fpb);
- if (result == (unsigned)-1)
- return (unsigned)-1;
+ if (result == INVBLOCK)
+ return INVBLOCK;
ucpi->c_rotor = result;
gotit:
blkno = ufs_fragstoblks(result);
@@ -694,17 +723,22 @@ gotit:
ufs_clusteracct (sb, ucpi, blkno, -1);
if(DQUOT_ALLOC_BLOCK(inode, uspi->s_fpb)) {
*err = -EDQUOT;
- return (unsigned)-1;
+ return INVBLOCK;
}
fs32_sub(sb, &ucg->cg_cs.cs_nbfree, 1);
uspi->cs_total.cs_nbfree--;
fs32_sub(sb, &UFS_SB(sb)->fs_cs(ucpi->c_cgx).cs_nbfree, 1);
- cylno = ufs_cbtocylno(result);
- fs16_sub(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(result)), 1);
- fs32_sub(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+
+ if (uspi->fs_magic != UFS2_MAGIC) {
+ unsigned cylno = ufs_cbtocylno((unsigned)result);
+
+ fs16_sub(sb, &ubh_cg_blks(ucpi, cylno,
+ ufs_cbtorpos((unsigned)result)), 1);
+ fs32_sub(sb, &ubh_cg_blktot(ucpi, cylno), 1);
+ }
- UFSD("EXIT, result %u\n", result);
+ UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -744,9 +778,9 @@ static unsigned ubh_scanc(struct ufs_sb_private_info *uspi,
* @goal: near which block we want find new one
* @count: specified size
*/
-static unsigned ufs_bitmap_search(struct super_block *sb,
- struct ufs_cg_private_info *ucpi,
- unsigned goal, unsigned count)
+static u64 ufs_bitmap_search(struct super_block *sb,
+ struct ufs_cg_private_info *ucpi,
+ u64 goal, unsigned count)
{
/*
* Bit patterns for identifying fragments in the block map
@@ -761,16 +795,18 @@ static unsigned ufs_bitmap_search(struct super_block *sb,
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct ufs_super_block_first *usb1;
struct ufs_cylinder_group *ucg;
- unsigned start, length, loc, result;
+ unsigned start, length, loc;
unsigned pos, want, blockmap, mask, end;
+ u64 result;
- UFSD("ENTER, cg %u, goal %u, count %u\n", ucpi->c_cgx, goal, count);
+ UFSD("ENTER, cg %u, goal %llu, count %u\n", ucpi->c_cgx,
+ (unsigned long long)goal, count);
usb1 = ubh_get_usb_first (uspi);
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
if (goal)
- start = ufs_dtogd(goal) >> 3;
+ start = ufs_dtogd(uspi, goal) >> 3;
else
start = ucpi->c_frotor >> 3;
@@ -790,7 +826,7 @@ static unsigned ufs_bitmap_search(struct super_block *sb,
" length %u, count %u, freeoff %u\n",
ucpi->c_cgx, start, length, count,
ucpi->c_freeoff);
- return (unsigned)-1;
+ return INVBLOCK;
}
start = 0;
}
@@ -808,7 +844,8 @@ static unsigned ufs_bitmap_search(struct super_block *sb,
want = want_arr[count];
for (pos = 0; pos <= uspi->s_fpb - count; pos++) {
if ((blockmap & mask) == want) {
- UFSD("EXIT, result %u\n", result);
+ UFSD("EXIT, result %llu\n",
+ (unsigned long long)result);
return result + pos;
}
mask <<= 1;
@@ -819,7 +856,7 @@ static unsigned ufs_bitmap_search(struct super_block *sb,
ufs_error(sb, "ufs_bitmap_search", "block not in map on cg %u\n",
ucpi->c_cgx);
UFSD("EXIT (FAILED)\n");
- return (unsigned)-1;
+ return INVBLOCK;
}
static void ufs_clusteracct(struct super_block * sb,
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 2ad1259c6ec..b868878009b 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -18,6 +18,9 @@
* Stephen Tweedie (sct@dcs.ed.ac.uk), 1993
* Big-endian to little-endian byte-swapping/bitmaps by
* David S. Miller (davem@caip.rutgers.edu), 1995
+ *
+ * UFS2 write support added by
+ * Evgeniy Dushistov <dushistov@mail.ru>, 2007
*/
#include <linux/fs.h>
@@ -126,6 +129,47 @@ void ufs_free_inode (struct inode * inode)
}
/*
+ * Nullify new chunk of inodes,
+ * BSD people also set ui_gen field of inode
+ * during nullification, but we not care about
+ * that because of linux ufs do not support NFS
+ */
+static void ufs2_init_inodes_chunk(struct super_block *sb,
+ struct ufs_cg_private_info *ucpi,
+ struct ufs_cylinder_group *ucg)
+{
+ struct buffer_head *bh;
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+ sector_t beg = uspi->s_sbbase +
+ ufs_inotofsba(ucpi->c_cgx * uspi->s_ipg +
+ fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_initediblk));
+ sector_t end = beg + uspi->s_fpb;
+
+ UFSD("ENTER cgno %d\n", ucpi->c_cgx);
+
+ for (; beg < end; ++beg) {
+ bh = sb_getblk(sb, beg);
+ lock_buffer(bh);
+ memset(bh->b_data, 0, sb->s_blocksize);
+ set_buffer_uptodate(bh);
+ mark_buffer_dirty(bh);
+ unlock_buffer(bh);
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ sync_dirty_buffer(bh);
+ brelse(bh);
+ }
+
+ fs32_add(sb, &ucg->cg_u.cg_u2.cg_initediblk, uspi->s_inopb);
+ ubh_mark_buffer_dirty(UCPI_UBH(ucpi));
+ if (sb->s_flags & MS_SYNCHRONOUS) {
+ ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
+ ubh_wait_on_buffer(UCPI_UBH(ucpi));
+ }
+
+ UFSD("EXIT\n");
+}
+
+/*
* There are two policies for allocating an inode. If the new inode is
* a directory, then a forward search is made for a block group with both
* free space and a low directory-to-inode ratio; if that fails, then of
@@ -146,6 +190,7 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
struct inode * inode;
unsigned cg, bit, i, j, start;
struct ufs_inode_info *ufsi;
+ int err = -ENOSPC;
UFSD("ENTER\n");
@@ -198,13 +243,15 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
goto cg_found;
}
}
-
+
goto failed;
cg_found:
ucpi = ufs_load_cylinder (sb, cg);
- if (!ucpi)
+ if (!ucpi) {
+ err = -EIO;
goto failed;
+ }
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg))
ufs_panic (sb, "ufs_new_inode", "internal error, bad cg magic number");
@@ -216,6 +263,7 @@ cg_found:
if (!(bit < start)) {
ufs_error (sb, "ufs_new_inode",
"cylinder group %u corrupted - error in inode bitmap\n", cg);
+ err = -EIO;
goto failed;
}
}
@@ -224,9 +272,18 @@ cg_found:
ubh_setbit (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit);
else {
ufs_panic (sb, "ufs_new_inode", "internal error");
+ err = -EIO;
goto failed;
}
-
+
+ if (uspi->fs_magic == UFS2_MAGIC) {
+ u32 initediblk = fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_initediblk);
+
+ if (bit + uspi->s_inopb > initediblk &&
+ initediblk < fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_niblk))
+ ufs2_init_inodes_chunk(sb, ucpi, ucg);
+ }
+
fs32_sub(sb, &ucg->cg_cs.cs_nifree, 1);
uspi->cs_total.cs_nifree--;
fs32_sub(sb, &sbi->fs_cs(cg).cs_nifree, 1);
@@ -236,7 +293,6 @@ cg_found:
uspi->cs_total.cs_ndir++;
fs32_add(sb, &sbi->fs_cs(cg).cs_ndir, 1);
}
-
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS) {
@@ -245,6 +301,7 @@ cg_found:
}
sb->s_dirt = 1;
+ inode->i_ino = cg * uspi->s_ipg + bit;
inode->i_mode = mode;
inode->i_uid = current->fsuid;
if (dir->i_mode & S_ISGID) {
@@ -254,39 +311,72 @@ cg_found:
} else
inode->i_gid = current->fsgid;
- inode->i_ino = cg * uspi->s_ipg + bit;
inode->i_blocks = 0;
+ inode->i_generation = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
ufsi->i_flags = UFS_I(dir)->i_flags;
ufsi->i_lastfrag = 0;
- ufsi->i_gen = 0;
ufsi->i_shadow = 0;
ufsi->i_osync = 0;
ufsi->i_oeftflag = 0;
ufsi->i_dir_start_lookup = 0;
memset(&ufsi->i_u1, 0, sizeof(ufsi->i_u1));
-
insert_inode_hash(inode);
mark_inode_dirty(inode);
+ if (uspi->fs_magic == UFS2_MAGIC) {
+ struct buffer_head *bh;
+ struct ufs2_inode *ufs2_inode;
+
+ /*
+ * setup birth date, we do it here because of there is no sense
+ * to hold it in struct ufs_inode_info, and lose 64 bit
+ */
+ bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
+ if (!bh) {
+ ufs_warning(sb, "ufs_read_inode",
+ "unable to read inode %lu\n",
+ inode->i_ino);
+ err = -EIO;
+ goto fail_remove_inode;
+ }
+ lock_buffer(bh);
+ ufs2_inode = (struct ufs2_inode *)bh->b_data;
+ ufs2_inode += ufs_inotofsbo(inode->i_ino);
+ ufs2_inode->ui_birthtime.tv_sec =
+ cpu_to_fs32(sb, CURRENT_TIME_SEC.tv_sec);
+ ufs2_inode->ui_birthtime.tv_usec = 0;
+ mark_buffer_dirty(bh);
+ unlock_buffer(bh);
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ sync_dirty_buffer(bh);
+ brelse(bh);
+ }
+
unlock_super (sb);
if (DQUOT_ALLOC_INODE(inode)) {
DQUOT_DROP(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
- return ERR_PTR(-EDQUOT);
+ err = -EDQUOT;
+ goto fail_without_unlock;
}
UFSD("allocating inode %lu\n", inode->i_ino);
UFSD("EXIT\n");
return inode;
+fail_remove_inode:
+ unlock_super(sb);
+fail_without_unlock:
+ inode->i_flags |= S_NOQUOTA;
+ inode->i_nlink = 0;
+ iput(inode);
+ UFSD("EXIT (FAILED): err %d\n", err);
+ return ERR_PTR(err);
failed:
unlock_super (sb);
make_bad_inode(inode);
iput (inode);
- UFSD("EXIT (FAILED)\n");
- return ERR_PTR(-ENOSPC);
+ UFSD("EXIT (FAILED): err %d\n", err);
+ return ERR_PTR(err);
}
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 4295ca91cf8..fb34ad03e22 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -170,7 +170,7 @@ out:
* @locked_page - for ufs_new_fragments()
*/
static struct buffer_head *
-ufs_inode_getfrag(struct inode *inode, unsigned int fragment,
+ufs_inode_getfrag(struct inode *inode, u64 fragment,
sector_t new_fragment, unsigned int required, int *err,
long *phys, int *new, struct page *locked_page)
{
@@ -178,12 +178,12 @@ ufs_inode_getfrag(struct inode *inode, unsigned int fragment,
struct super_block *sb = inode->i_sb;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct buffer_head * result;
- unsigned block, blockoff, lastfrag, lastblock, lastblockoff;
- unsigned tmp, goal;
- __fs32 * p, * p2;
+ unsigned blockoff, lastblockoff;
+ u64 tmp, goal, lastfrag, block, lastblock;
+ void *p, *p2;
- UFSD("ENTER, ino %lu, fragment %u, new_fragment %llu, required %u, "
- "metadata %d\n", inode->i_ino, fragment,
+ UFSD("ENTER, ino %lu, fragment %llu, new_fragment %llu, required %u, "
+ "metadata %d\n", inode->i_ino, (unsigned long long)fragment,
(unsigned long long)new_fragment, required, !phys);
/* TODO : to be done for write support
@@ -193,17 +193,20 @@ ufs_inode_getfrag(struct inode *inode, unsigned int fragment,
block = ufs_fragstoblks (fragment);
blockoff = ufs_fragnum (fragment);
- p = ufsi->i_u1.i_data + block;
+ p = ufs_get_direct_data_ptr(uspi, ufsi, block);
+
goal = 0;
repeat:
- tmp = fs32_to_cpu(sb, *p);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
+
lastfrag = ufsi->i_lastfrag;
if (tmp && fragment < lastfrag) {
if (!phys) {
result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
- if (tmp == fs32_to_cpu(sb, *p)) {
- UFSD("EXIT, result %u\n", tmp + blockoff);
+ if (tmp == ufs_data_ptr_to_cpu(sb, p)) {
+ UFSD("EXIT, result %llu\n",
+ (unsigned long long)tmp + blockoff);
return result;
}
brelse (result);
@@ -224,10 +227,11 @@ repeat:
* We must reallocate last allocated block
*/
if (lastblockoff) {
- p2 = ufsi->i_u1.i_data + lastblock;
- tmp = ufs_new_fragments (inode, p2, lastfrag,
- fs32_to_cpu(sb, *p2), uspi->s_fpb - lastblockoff,
- err, locked_page);
+ p2 = ufs_get_direct_data_ptr(uspi, ufsi, lastblock);
+ tmp = ufs_new_fragments(inode, p2, lastfrag,
+ ufs_data_ptr_to_cpu(sb, p2),
+ uspi->s_fpb - lastblockoff,
+ err, locked_page);
if (!tmp) {
if (lastfrag != ufsi->i_lastfrag)
goto repeat;
@@ -237,27 +241,31 @@ repeat:
lastfrag = ufsi->i_lastfrag;
}
- tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock]);
+ tmp = ufs_data_ptr_to_cpu(sb,
+ ufs_get_direct_data_ptr(uspi, ufsi,
+ lastblock));
if (tmp)
goal = tmp + uspi->s_fpb;
tmp = ufs_new_fragments (inode, p, fragment - blockoff,
goal, required + blockoff,
err,
phys != NULL ? locked_page : NULL);
- }
+ } else if (lastblock == block) {
/*
* We will extend last allocated block
*/
- else if (lastblock == block) {
- tmp = ufs_new_fragments(inode, p, fragment - (blockoff - lastblockoff),
- fs32_to_cpu(sb, *p), required + (blockoff - lastblockoff),
+ tmp = ufs_new_fragments(inode, p, fragment -
+ (blockoff - lastblockoff),
+ ufs_data_ptr_to_cpu(sb, p),
+ required + (blockoff - lastblockoff),
err, phys != NULL ? locked_page : NULL);
} else /* (lastblock > block) */ {
/*
* We will allocate new block before last allocated block
*/
if (block) {
- tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[block-1]);
+ tmp = ufs_data_ptr_to_cpu(sb,
+ ufs_get_direct_data_ptr(uspi, ufsi, block - 1));
if (tmp)
goal = tmp + uspi->s_fpb;
}
@@ -266,7 +274,7 @@ repeat:
phys != NULL ? locked_page : NULL);
}
if (!tmp) {
- if ((!blockoff && *p) ||
+ if ((!blockoff && ufs_data_ptr_to_cpu(sb, p)) ||
(blockoff && lastfrag != ufsi->i_lastfrag))
goto repeat;
*err = -ENOSPC;
@@ -286,7 +294,7 @@ repeat:
if (IS_SYNC(inode))
ufs_sync_inode (inode);
mark_inode_dirty(inode);
- UFSD("EXIT, result %u\n", tmp + blockoff);
+ UFSD("EXIT, result %llu\n", (unsigned long long)tmp + blockoff);
return result;
/* This part : To be implemented ....
@@ -320,20 +328,22 @@ repeat2:
*/
static struct buffer_head *
ufs_inode_getblock(struct inode *inode, struct buffer_head *bh,
- unsigned int fragment, sector_t new_fragment, int *err,
+ u64 fragment, sector_t new_fragment, int *err,
long *phys, int *new, struct page *locked_page)
{
struct super_block *sb = inode->i_sb;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct buffer_head * result;
- unsigned tmp, goal, block, blockoff;
- __fs32 * p;
+ unsigned blockoff;
+ u64 tmp, goal, block;
+ void *p;
block = ufs_fragstoblks (fragment);
blockoff = ufs_fragnum (fragment);
- UFSD("ENTER, ino %lu, fragment %u, new_fragment %llu, metadata %d\n",
- inode->i_ino, fragment, (unsigned long long)new_fragment, !phys);
+ UFSD("ENTER, ino %lu, fragment %llu, new_fragment %llu, metadata %d\n",
+ inode->i_ino, (unsigned long long)fragment,
+ (unsigned long long)new_fragment, !phys);
result = NULL;
if (!bh)
@@ -344,14 +354,16 @@ ufs_inode_getblock(struct inode *inode, struct buffer_head *bh,
if (!buffer_uptodate(bh))
goto out;
}
-
- p = (__fs32 *) bh->b_data + block;
+ if (uspi->fs_magic == UFS2_MAGIC)
+ p = (__fs64 *)bh->b_data + block;
+ else
+ p = (__fs32 *)bh->b_data + block;
repeat:
- tmp = fs32_to_cpu(sb, *p);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (tmp) {
if (!phys) {
result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
- if (tmp == fs32_to_cpu(sb, *p))
+ if (tmp == ufs_data_ptr_to_cpu(sb, p))
goto out;
brelse (result);
goto repeat;
@@ -361,14 +373,16 @@ repeat:
}
}
- if (block && (tmp = fs32_to_cpu(sb, ((__fs32*)bh->b_data)[block-1])))
+ if (block && (uspi->fs_magic == UFS2_MAGIC ?
+ (tmp = fs64_to_cpu(sb, ((__fs64 *)bh->b_data)[block-1])) :
+ (tmp = fs32_to_cpu(sb, ((__fs32 *)bh->b_data)[block-1]))))
goal = tmp + uspi->s_fpb;
else
goal = bh->b_blocknr + uspi->s_fpb;
tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), goal,
uspi->s_fpb, err, locked_page);
if (!tmp) {
- if (fs32_to_cpu(sb, *p))
+ if (ufs_data_ptr_to_cpu(sb, p))
goto repeat;
goto out;
}
@@ -386,7 +400,7 @@ repeat:
sync_dirty_buffer(bh);
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
- UFSD("result %u\n", tmp + blockoff);
+ UFSD("result %llu\n", (unsigned long long)tmp + blockoff);
out:
brelse (bh);
UFSD("EXIT\n");
@@ -616,8 +630,8 @@ static void ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
inode->i_atime.tv_nsec = 0;
inode->i_ctime.tv_nsec = 0;
inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);
+ inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen);
ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);
- ufsi->i_gen = fs32_to_cpu(sb, ufs_inode->ui_gen);
ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
@@ -661,8 +675,8 @@ static void ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
inode->i_atime.tv_nsec = 0;
inode->i_ctime.tv_nsec = 0;
inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);
+ inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen);
ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);
- ufsi->i_gen = fs32_to_cpu(sb, ufs2_inode->ui_gen);
/*
ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
@@ -731,34 +745,11 @@ bad_inode:
make_bad_inode(inode);
}
-static int ufs_update_inode(struct inode * inode, int do_sync)
+static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)
{
- struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block * sb;
- struct ufs_sb_private_info * uspi;
- struct buffer_head * bh;
- struct ufs_inode * ufs_inode;
- unsigned i;
- unsigned flags;
-
- UFSD("ENTER, ino %lu\n", inode->i_ino);
-
- sb = inode->i_sb;
- uspi = UFS_SB(sb)->s_uspi;
- flags = UFS_SB(sb)->s_flags;
-
- if (inode->i_ino < UFS_ROOTINO ||
- inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
- ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
- return -1;
- }
-
- bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
- if (!bh) {
- ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
- return -1;
- }
- ufs_inode = (struct ufs_inode *) (bh->b_data + ufs_inotofsbo(inode->i_ino) * sizeof(struct ufs_inode));
+ struct super_block *sb = inode->i_sb;
+ struct ufs_inode_info *ufsi = UFS_I(inode);
+ unsigned i;
ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
@@ -775,9 +766,9 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
ufs_inode->ui_mtime.tv_usec = 0;
ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);
ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
- ufs_inode->ui_gen = cpu_to_fs32(sb, ufsi->i_gen);
+ ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
- if ((flags & UFS_UID_MASK) == UFS_UID_EFT) {
+ if ((UFS_SB(sb)->s_flags & UFS_UID_MASK) == UFS_UID_EFT) {
ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);
ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);
}
@@ -796,6 +787,78 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
if (!inode->i_nlink)
memset (ufs_inode, 0, sizeof(struct ufs_inode));
+}
+
+static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)
+{
+ struct super_block *sb = inode->i_sb;
+ struct ufs_inode_info *ufsi = UFS_I(inode);
+ unsigned i;
+
+ UFSD("ENTER\n");
+ ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
+ ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
+
+ ufs_inode->ui_uid = cpu_to_fs32(sb, inode->i_uid);
+ ufs_inode->ui_gid = cpu_to_fs32(sb, inode->i_gid);
+
+ ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
+ ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);
+ ufs_inode->ui_atime.tv_usec = 0;
+ ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec);
+ ufs_inode->ui_ctime.tv_usec = 0;
+ ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec);
+ ufs_inode->ui_mtime.tv_usec = 0;
+
+ ufs_inode->ui_blocks = cpu_to_fs64(sb, inode->i_blocks);
+ ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
+ ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
+
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
+ /* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
+ ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.u2_i_data[0];
+ } else if (inode->i_blocks) {
+ for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
+ ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.u2_i_data[i];
+ } else {
+ for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
+ ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i];
+ }
+
+ if (!inode->i_nlink)
+ memset (ufs_inode, 0, sizeof(struct ufs2_inode));
+ UFSD("EXIT\n");
+}
+
+static int ufs_update_inode(struct inode * inode, int do_sync)
+{
+ struct super_block *sb = inode->i_sb;
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+ struct buffer_head * bh;
+
+ UFSD("ENTER, ino %lu\n", inode->i_ino);
+
+ if (inode->i_ino < UFS_ROOTINO ||
+ inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
+ ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
+ return -1;
+ }
+
+ bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
+ if (!bh) {
+ ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
+ return -1;
+ }
+ if (uspi->fs_magic == UFS2_MAGIC) {
+ struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;
+
+ ufs2_update_inode(inode,
+ ufs2_inode + ufs_inotofsbo(inode->i_ino));
+ } else {
+ struct ufs_inode *ufs_inode = (struct ufs_inode *) bh->b_data;
+
+ ufs1_update_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino));
+ }
mark_buffer_dirty(bh);
if (do_sync)
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index e84c0ecf073..a059ccd064e 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -355,7 +355,7 @@ out:
return err;
}
-struct inode_operations ufs_dir_inode_operations = {
+const struct inode_operations ufs_dir_inode_operations = {
.create = ufs_create,
.lookup = ufs_lookup,
.link = ufs_link,
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 209be95e9d1..b5a6461ec66 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -61,6 +61,8 @@
* UFS2 (of FreeBSD 5.x) support added by
* Niraj Kumar <niraj17@iitbombay.org>, Jan 2004
*
+ * UFS2 write support added by
+ * Evgeniy Dushistov <dushistov@mail.ru>, 2007
*/
@@ -93,14 +95,16 @@
/*
* Print contents of ufs_super_block, useful for debugging
*/
-static void ufs_print_super_stuff(struct super_block *sb, unsigned flags,
+static void ufs_print_super_stuff(struct super_block *sb,
struct ufs_super_block_first *usb1,
struct ufs_super_block_second *usb2,
struct ufs_super_block_third *usb3)
{
+ u32 magic = fs32_to_cpu(sb, usb3->fs_magic);
+
printk("ufs_print_super_stuff\n");
- printk(" magic: 0x%x\n", fs32_to_cpu(sb, usb3->fs_magic));
- if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
+ printk(" magic: 0x%x\n", magic);
+ if (fs32_to_cpu(sb, usb3->fs_magic) == UFS2_MAGIC) {
printk(" fs_size: %llu\n", (unsigned long long)
fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_size));
printk(" fs_dsize: %llu\n", (unsigned long long)
@@ -117,6 +121,12 @@ static void ufs_print_super_stuff(struct super_block *sb, unsigned flags,
printk(" cs_nbfree(No of free blocks): %llu\n",
(unsigned long long)
fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_nbfree));
+ printk(KERN_INFO" cs_nifree(Num of free inodes): %llu\n",
+ (unsigned long long)
+ fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nifree));
+ printk(KERN_INFO" cs_nffree(Num of free frags): %llu\n",
+ (unsigned long long)
+ fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree));
} else {
printk(" sblkno: %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
printk(" cblkno: %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
@@ -199,11 +209,11 @@ static void ufs_print_cylinder_stuff(struct super_block *sb,
printk("\n");
}
#else
-# define ufs_print_super_stuff(sb, flags, usb1, usb2, usb3) /**/
+# define ufs_print_super_stuff(sb, usb1, usb2, usb3) /**/
# define ufs_print_cylinder_stuff(sb, cg) /**/
#endif /* CONFIG_UFS_DEBUG */
-static struct super_operations ufs_super_ops;
+static const struct super_operations ufs_super_ops;
static char error_buf[1024];
@@ -422,7 +432,6 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
{
struct ufs_sb_info *sbi = UFS_SB(sb);
struct ufs_sb_private_info *uspi = sbi->s_uspi;
- unsigned flags = sbi->s_flags;
struct ufs_buffer_head * ubh;
unsigned char * base, * space;
unsigned size, blks, i;
@@ -446,11 +455,7 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
if (i + uspi->s_fpb > blks)
size = (blks - i) * uspi->s_fsize;
- if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
- ubh = ubh_bread(sb,
- fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_csaddr) + i, size);
- else
- ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
+ ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
if (!ubh)
goto failed;
@@ -545,6 +550,7 @@ static void ufs_put_cstotal(struct super_block *sb)
cpu_to_fs32(sb, uspi->cs_total.cs_nffree);
}
ubh_mark_buffer_dirty(USPI_UBH(uspi));
+ ufs_print_super_stuff(sb, usb1, usb2, usb3);
UFSD("EXIT\n");
}
@@ -572,7 +578,9 @@ static void ufs_put_super_internal(struct super_block *sb)
size = uspi->s_bsize;
if (i + uspi->s_fpb > blks)
size = (blks - i) * uspi->s_fsize;
+
ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
+
ubh_memcpyubh (ubh, space, size);
space += size;
ubh_mark_buffer_uptodate (ubh, 1);
@@ -674,10 +682,6 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_sbsize = super_block_size = 1536;
uspi->s_sbbase = 0;
flags |= UFS_TYPE_UFS2 | UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
- if (!(sb->s_flags & MS_RDONLY)) {
- printk(KERN_INFO "ufstype=ufs2 is supported read-only\n");
- sb->s_flags |= MS_RDONLY;
- }
break;
case UFS_MOUNT_UFSTYPE_SUN:
@@ -890,7 +894,7 @@ magic_found:
}
- ufs_print_super_stuff(sb, flags, usb1, usb2, usb3);
+ ufs_print_super_stuff(sb, usb1, usb2, usb3);
/*
* Check, if file system was correctly unmounted.
@@ -973,7 +977,12 @@ magic_found:
uspi->s_npsect = ufs_get_fs_npsect(sb, usb1, usb3);
uspi->s_interleave = fs32_to_cpu(sb, usb1->fs_interleave);
uspi->s_trackskew = fs32_to_cpu(sb, usb1->fs_trackskew);
- uspi->s_csaddr = fs32_to_cpu(sb, usb1->fs_csaddr);
+
+ if (uspi->fs_magic == UFS2_MAGIC)
+ uspi->s_csaddr = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_csaddr);
+ else
+ uspi->s_csaddr = fs32_to_cpu(sb, usb1->fs_csaddr);
+
uspi->s_cssize = fs32_to_cpu(sb, usb1->fs_cssize);
uspi->s_cgsize = fs32_to_cpu(sb, usb1->fs_cgsize);
uspi->s_ntrak = fs32_to_cpu(sb, usb1->fs_ntrak);
@@ -1060,7 +1069,6 @@ static void ufs_write_super(struct super_block *sb)
unsigned flags;
lock_kernel();
-
UFSD("ENTER\n");
flags = UFS_SB(sb)->s_flags;
uspi = UFS_SB(sb)->s_uspi;
@@ -1156,7 +1164,8 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
#else
if (ufstype != UFS_MOUNT_UFSTYPE_SUN &&
ufstype != UFS_MOUNT_UFSTYPE_44BSD &&
- ufstype != UFS_MOUNT_UFSTYPE_SUNx86) {
+ ufstype != UFS_MOUNT_UFSTYPE_SUNx86 &&
+ ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
printk("this ufstype is read-only supported\n");
return -EINVAL;
}
@@ -1255,7 +1264,7 @@ static ssize_t ufs_quota_read(struct super_block *, int, char *,size_t, loff_t);
static ssize_t ufs_quota_write(struct super_block *, int, const char *, size_t, loff_t);
#endif
-static struct super_operations ufs_super_ops = {
+static const struct super_operations ufs_super_ops = {
.alloc_inode = ufs_alloc_inode,
.destroy_inode = ufs_destroy_inode,
.read_inode = ufs_read_inode,
diff --git a/fs/ufs/symlink.c b/fs/ufs/symlink.c
index 337512ed578..d8549f807e8 100644
--- a/fs/ufs/symlink.c
+++ b/fs/ufs/symlink.c
@@ -36,7 +36,7 @@ static void *ufs_follow_link(struct dentry *dentry, struct nameidata *nd)
return NULL;
}
-struct inode_operations ufs_fast_symlink_inode_operations = {
+const struct inode_operations ufs_fast_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = ufs_follow_link,
};
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 0437b0a6fe9..749581fa772 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -30,8 +30,8 @@
*/
/*
- * Modified to avoid infinite loop on 2006 by
- * Evgeniy Dushistov <dushistov@mail.ru>
+ * Adoptation to use page cache and UFS2 write support by
+ * Evgeniy Dushistov <dushistov@mail.ru>, 2006-2007
*/
#include <linux/errno.h>
@@ -63,13 +63,13 @@
#define DIRECT_FRAGMENT ((inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift)
-static int ufs_trunc_direct (struct inode * inode)
+static int ufs_trunc_direct(struct inode *inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- __fs32 * p;
- unsigned frag1, frag2, frag3, frag4, block1, block2;
+ void *p;
+ u64 frag1, frag2, frag3, frag4, block1, block2;
unsigned frag_to_free, free_count;
unsigned i, tmp;
int retry;
@@ -91,13 +91,16 @@ static int ufs_trunc_direct (struct inode * inode)
if (frag2 > frag3) {
frag2 = frag4;
frag3 = frag4 = 0;
- }
- else if (frag2 < frag3) {
+ } else if (frag2 < frag3) {
block1 = ufs_fragstoblks (frag2);
block2 = ufs_fragstoblks (frag3);
}
- UFSD("frag1 %u, frag2 %u, block1 %u, block2 %u, frag3 %u, frag4 %u\n", frag1, frag2, block1, block2, frag3, frag4);
+ UFSD("frag1 %llu, frag2 %llu, block1 %llu, block2 %llu, frag3 %llu,"
+ " frag4 %llu\n",
+ (unsigned long long)frag1, (unsigned long long)frag2,
+ (unsigned long long)block1, (unsigned long long)block2,
+ (unsigned long long)frag3, (unsigned long long)frag4);
if (frag1 >= frag2)
goto next1;
@@ -105,8 +108,8 @@ static int ufs_trunc_direct (struct inode * inode)
/*
* Free first free fragments
*/
- p = ufsi->i_u1.i_data + ufs_fragstoblks (frag1);
- tmp = fs32_to_cpu(sb, *p);
+ p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag1));
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (!tmp )
ufs_panic (sb, "ufs_trunc_direct", "internal error");
frag2 -= frag1;
@@ -121,12 +124,11 @@ next1:
* Free whole blocks
*/
for (i = block1 ; i < block2; i++) {
- p = ufsi->i_u1.i_data + i;
- tmp = fs32_to_cpu(sb, *p);
+ p = ufs_get_direct_data_ptr(uspi, ufsi, i);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (!tmp)
continue;
-
- *p = 0;
+ ufs_data_ptr_clear(uspi, p);
if (free_count == 0) {
frag_to_free = tmp;
@@ -150,13 +152,12 @@ next1:
/*
* Free last free fragments
*/
- p = ufsi->i_u1.i_data + ufs_fragstoblks (frag3);
- tmp = fs32_to_cpu(sb, *p);
+ p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag3));
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (!tmp )
ufs_panic(sb, "ufs_truncate_direct", "internal error");
frag4 = ufs_fragnum (frag4);
-
- *p = 0;
+ ufs_data_ptr_clear(uspi, p);
ufs_free_fragments (inode, tmp, frag4);
mark_inode_dirty(inode);
@@ -167,17 +168,20 @@ next1:
}
-static int ufs_trunc_indirect (struct inode * inode, unsigned offset, __fs32 *p)
+static int ufs_trunc_indirect(struct inode *inode, u64 offset, void *p)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_buffer_head * ind_ubh;
- __fs32 * ind;
- unsigned indirect_block, i, tmp;
- unsigned frag_to_free, free_count;
+ void *ind;
+ u64 tmp, indirect_block, i, frag_to_free;
+ unsigned free_count;
int retry;
- UFSD("ENTER\n");
+ UFSD("ENTER: ino %lu, offset %llu, p: %p\n",
+ inode->i_ino, (unsigned long long)offset, p);
+
+ BUG_ON(!p);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -186,27 +190,27 @@ static int ufs_trunc_indirect (struct inode * inode, unsigned offset, __fs32 *p)
free_count = 0;
retry = 0;
- tmp = fs32_to_cpu(sb, *p);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (!tmp)
return 0;
ind_ubh = ubh_bread(sb, tmp, uspi->s_bsize);
- if (tmp != fs32_to_cpu(sb, *p)) {
+ if (tmp != ufs_data_ptr_to_cpu(sb, p)) {
ubh_brelse (ind_ubh);
return 1;
}
if (!ind_ubh) {
- *p = 0;
+ ufs_data_ptr_clear(uspi, p);
return 0;
}
indirect_block = (DIRECT_BLOCK > offset) ? (DIRECT_BLOCK - offset) : 0;
for (i = indirect_block; i < uspi->s_apb; i++) {
- ind = ubh_get_addr32 (ind_ubh, i);
- tmp = fs32_to_cpu(sb, *ind);
+ ind = ubh_get_data_ptr(uspi, ind_ubh, i);
+ tmp = ufs_data_ptr_to_cpu(sb, ind);
if (!tmp)
continue;
- *ind = 0;
+ ufs_data_ptr_clear(uspi, ind);
ubh_mark_buffer_dirty(ind_ubh);
if (free_count == 0) {
frag_to_free = tmp;
@@ -226,11 +230,12 @@ static int ufs_trunc_indirect (struct inode * inode, unsigned offset, __fs32 *p)
ufs_free_blocks (inode, frag_to_free, free_count);
}
for (i = 0; i < uspi->s_apb; i++)
- if (*ubh_get_addr32(ind_ubh,i))
+ if (!ufs_is_data_ptr_zero(uspi,
+ ubh_get_data_ptr(uspi, ind_ubh, i)))
break;
if (i >= uspi->s_apb) {
- tmp = fs32_to_cpu(sb, *p);
- *p = 0;
+ tmp = ufs_data_ptr_to_cpu(sb, p);
+ ufs_data_ptr_clear(uspi, p);
ufs_free_blocks (inode, tmp, uspi->s_fpb);
mark_inode_dirty(inode);
@@ -248,13 +253,13 @@ static int ufs_trunc_indirect (struct inode * inode, unsigned offset, __fs32 *p)
return retry;
}
-static int ufs_trunc_dindirect (struct inode *inode, unsigned offset, __fs32 *p)
+static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_buffer_head * dind_bh;
- unsigned i, tmp, dindirect_block;
- __fs32 * dind;
+ struct ufs_buffer_head *dind_bh;
+ u64 i, tmp, dindirect_block;
+ void *dind;
int retry = 0;
UFSD("ENTER\n");
@@ -266,22 +271,22 @@ static int ufs_trunc_dindirect (struct inode *inode, unsigned offset, __fs32 *p)
? ((DIRECT_BLOCK - offset) >> uspi->s_apbshift) : 0;
retry = 0;
- tmp = fs32_to_cpu(sb, *p);
+ tmp = ufs_data_ptr_to_cpu(sb, p);
if (!tmp)
return 0;
dind_bh = ubh_bread(sb, tmp, uspi->s_bsize);
- if (tmp != fs32_to_cpu(sb, *p)) {
+ if (tmp != ufs_data_ptr_to_cpu(sb, p)) {
ubh_brelse (dind_bh);
return 1;
}
if (!dind_bh) {
- *p = 0;
+ ufs_data_ptr_clear(uspi, p);
return 0;
}
for (i = dindirect_block ; i < uspi->s_apb ; i++) {
- dind = ubh_get_addr32 (dind_bh, i);
- tmp = fs32_to_cpu(sb, *dind);
+ dind = ubh_get_data_ptr(uspi, dind_bh, i);
+ tmp = ufs_data_ptr_to_cpu(sb, dind);
if (!tmp)
continue;
retry |= ufs_trunc_indirect (inode, offset + (i << uspi->s_apbshift), dind);
@@ -289,11 +294,12 @@ static int ufs_trunc_dindirect (struct inode *inode, unsigned offset, __fs32 *p)
}
for (i = 0; i < uspi->s_apb; i++)
- if (*ubh_get_addr32 (dind_bh, i))
+ if (!ufs_is_data_ptr_zero(uspi,
+ ubh_get_data_ptr(uspi, dind_bh, i)))
break;
if (i >= uspi->s_apb) {
- tmp = fs32_to_cpu(sb, *p);
- *p = 0;
+ tmp = ufs_data_ptr_to_cpu(sb, p);
+ ufs_data_ptr_clear(uspi, p);
ufs_free_blocks(inode, tmp, uspi->s_fpb);
mark_inode_dirty(inode);
@@ -311,34 +317,33 @@ static int ufs_trunc_dindirect (struct inode *inode, unsigned offset, __fs32 *p)
return retry;
}
-static int ufs_trunc_tindirect (struct inode * inode)
+static int ufs_trunc_tindirect(struct inode *inode)
{
+ struct super_block *sb = inode->i_sb;
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block * sb;
- struct ufs_sb_private_info * uspi;
struct ufs_buffer_head * tind_bh;
- unsigned tindirect_block, tmp, i;
- __fs32 * tind, * p;
+ u64 tindirect_block, tmp, i;
+ void *tind, *p;
int retry;
UFSD("ENTER\n");
- sb = inode->i_sb;
- uspi = UFS_SB(sb)->s_uspi;
retry = 0;
tindirect_block = (DIRECT_BLOCK > (UFS_NDADDR + uspi->s_apb + uspi->s_2apb))
? ((DIRECT_BLOCK - UFS_NDADDR - uspi->s_apb - uspi->s_2apb) >> uspi->s_2apbshift) : 0;
- p = ufsi->i_u1.i_data + UFS_TIND_BLOCK;
- if (!(tmp = fs32_to_cpu(sb, *p)))
+
+ p = ufs_get_direct_data_ptr(uspi, ufsi, UFS_TIND_BLOCK);
+ if (!(tmp = ufs_data_ptr_to_cpu(sb, p)))
return 0;
tind_bh = ubh_bread (sb, tmp, uspi->s_bsize);
- if (tmp != fs32_to_cpu(sb, *p)) {
+ if (tmp != ufs_data_ptr_to_cpu(sb, p)) {
ubh_brelse (tind_bh);
return 1;
}
if (!tind_bh) {
- *p = 0;
+ ufs_data_ptr_clear(uspi, p);
return 0;
}
@@ -349,11 +354,12 @@ static int ufs_trunc_tindirect (struct inode * inode)
ubh_mark_buffer_dirty(tind_bh);
}
for (i = 0; i < uspi->s_apb; i++)
- if (*ubh_get_addr32 (tind_bh, i))
+ if (!ufs_is_data_ptr_zero(uspi,
+ ubh_get_data_ptr(uspi, tind_bh, i)))
break;
if (i >= uspi->s_apb) {
- tmp = fs32_to_cpu(sb, *p);
- *p = 0;
+ tmp = ufs_data_ptr_to_cpu(sb, p);
+ ufs_data_ptr_clear(uspi, p);
ufs_free_blocks(inode, tmp, uspi->s_fpb);
mark_inode_dirty(inode);
@@ -375,7 +381,8 @@ static int ufs_alloc_lastblock(struct inode *inode)
int err = 0;
struct address_space *mapping = inode->i_mapping;
struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
- unsigned lastfrag, i, end;
+ unsigned i, end;
+ sector_t lastfrag;
struct page *lastpage;
struct buffer_head *bh;
@@ -430,7 +437,9 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size)
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
int retry, err = 0;
- UFSD("ENTER\n");
+ UFSD("ENTER: ino %lu, i_size: %llu, old_i_size: %llu\n",
+ inode->i_ino, (unsigned long long)i_size_read(inode),
+ (unsigned long long)old_i_size);
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
@@ -450,10 +459,12 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size)
lock_kernel();
while (1) {
retry = ufs_trunc_direct(inode);
- retry |= ufs_trunc_indirect (inode, UFS_IND_BLOCK,
- (__fs32 *) &ufsi->i_u1.i_data[UFS_IND_BLOCK]);
- retry |= ufs_trunc_dindirect (inode, UFS_IND_BLOCK + uspi->s_apb,
- (__fs32 *) &ufsi->i_u1.i_data[UFS_DIND_BLOCK]);
+ retry |= ufs_trunc_indirect(inode, UFS_IND_BLOCK,
+ ufs_get_direct_data_ptr(uspi, ufsi,
+ UFS_IND_BLOCK));
+ retry |= ufs_trunc_dindirect(inode, UFS_IND_BLOCK + uspi->s_apb,
+ ufs_get_direct_data_ptr(uspi, ufsi,
+ UFS_DIND_BLOCK));
retry |= ufs_trunc_tindirect (inode);
if (!retry)
break;
@@ -502,6 +513,6 @@ static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
return inode_setattr(inode, attr);
}
-struct inode_operations ufs_file_inode_operations = {
+const struct inode_operations ufs_file_inode_operations = {
.setattr = ufs_setattr,
};
diff --git a/fs/ufs/util.h b/fs/ufs/util.h
index 7dd12bb1d62..06d344839c4 100644
--- a/fs/ufs/util.h
+++ b/fs/ufs/util.h
@@ -305,8 +305,22 @@ static inline void *get_usb_offset(struct ufs_sb_private_info *uspi,
(((__fs32*)((ubh)->bh[(begin) >> (uspi->s_fshift-2)]->b_data)) + \
((begin) & ((uspi->s_fsize>>2) - 1)))
+#define ubh_get_addr64(ubh,begin) \
+ (((__fs64*)((ubh)->bh[(begin) >> (uspi->s_fshift-3)]->b_data)) + \
+ ((begin) & ((uspi->s_fsize>>3) - 1)))
+
#define ubh_get_addr ubh_get_addr8
+static inline void *ubh_get_data_ptr(struct ufs_sb_private_info *uspi,
+ struct ufs_buffer_head *ubh,
+ u64 blk)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ return ubh_get_addr64(ubh, blk);
+ else
+ return ubh_get_addr32(ubh, blk);
+}
+
#define ubh_blkmap(ubh,begin,bit) \
((*ubh_get_addr(ubh, (begin) + ((bit) >> 3)) >> ((bit) & 7)) & (0xff >> (UFS_MAXFRAG - uspi->s_fpb)))
@@ -507,3 +521,46 @@ static inline void ufs_fragacct (struct super_block * sb, unsigned blockmap,
if (fragsize > 0 && fragsize < uspi->s_fpb)
fs32_add(sb, &fraglist[fragsize], cnt);
}
+
+static inline void *ufs_get_direct_data_ptr(struct ufs_sb_private_info *uspi,
+ struct ufs_inode_info *ufsi,
+ unsigned blk)
+{
+ BUG_ON(blk > UFS_TIND_BLOCK);
+ return uspi->fs_magic == UFS2_MAGIC ?
+ (void *)&ufsi->i_u1.u2_i_data[blk] :
+ (void *)&ufsi->i_u1.i_data[blk];
+}
+
+static inline u64 ufs_data_ptr_to_cpu(struct super_block *sb, void *p)
+{
+ return UFS_SB(sb)->s_uspi->fs_magic == UFS2_MAGIC ?
+ fs64_to_cpu(sb, *(__fs64 *)p) :
+ fs32_to_cpu(sb, *(__fs32 *)p);
+}
+
+static inline void ufs_cpu_to_data_ptr(struct super_block *sb, void *p, u64 val)
+{
+ if (UFS_SB(sb)->s_uspi->fs_magic == UFS2_MAGIC)
+ *(__fs64 *)p = cpu_to_fs64(sb, val);
+ else
+ *(__fs32 *)p = cpu_to_fs32(sb, val);
+}
+
+static inline void ufs_data_ptr_clear(struct ufs_sb_private_info *uspi,
+ void *p)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ *(__fs64 *)p = 0;
+ else
+ *(__fs32 *)p = 0;
+}
+
+static inline int ufs_is_data_ptr_zero(struct ufs_sb_private_info *uspi,
+ void *p)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ return *(__fs64 *)p == 0;
+ else
+ return *(__fs32 *)p == 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 12:41:22 +0000