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-rw-r--r--fs/jffs2/dir.c12
-rw-r--r--fs/jffs2/os-linux.h3
-rw-r--r--fs/jffs2/readinode.c45
-rw-r--r--fs/jffs2/symlink.c26
-rw-r--r--include/linux/jffs2_fs_i.h5
5 files changed, 44 insertions, 47 deletions
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 3ca0d25eef1..5738df22377 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: dir.c,v 1.86 2005/07/06 12:13:09 dwmw2 Exp $
+ * $Id: dir.c,v 1.87 2005/07/17 11:13:46 dedekind Exp $
*
*/
@@ -344,9 +344,9 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
return PTR_ERR(fn);
}
- /* We use f->dents field to store the target path. */
- f->dents = kmalloc(targetlen + 1, GFP_KERNEL);
- if (!f->dents) {
+ /* We use f->target field to store the target path. */
+ f->target = kmalloc(targetlen + 1, GFP_KERNEL);
+ if (!f->target) {
printk(KERN_WARNING "Can't allocate %d bytes of memory\n", targetlen + 1);
up(&f->sem);
jffs2_complete_reservation(c);
@@ -354,8 +354,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
return -ENOMEM;
}
- memcpy(f->dents, target, targetlen + 1);
- D1(printk(KERN_DEBUG "jffs2_symlink: symlink's target '%s' cached\n", (char *)f->dents));
+ memcpy(f->target, target, targetlen + 1);
+ D1(printk(KERN_DEBUG "jffs2_symlink: symlink's target '%s' cached\n", (char *)f->target));
/* No data here. Only a metadata node, which will be
obsoleted by the first data write
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index d900c8929b0..0fc952eaf8c 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: os-linux.h,v 1.58 2005/07/12 02:34:35 tpoynor Exp $
+ * $Id: os-linux.h,v 1.59 2005/07/17 11:13:46 dedekind Exp $
*
*/
@@ -57,6 +57,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
f->fragtree = RB_ROOT;
f->metadata = NULL;
f->dents = NULL;
+ f->target = NULL;
f->flags = 0;
f->usercompr = 0;
}
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index cf39bcf3e3c..49da1a6cfc8 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: readinode.c,v 1.126 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: readinode.c,v 1.127 2005/07/17 11:13:46 dedekind Exp $
*
*/
@@ -547,11 +547,10 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c,
if (f->inocache->state != INO_STATE_CHECKING) {
/* Symlink's inode data is the target path. Read it and
- * keep in RAM to facilitate quick follow symlink operation.
- * We use f->dents field to store the target path, which
- * is somewhat ugly. */
- f->dents = kmalloc(je32_to_cpu(latest_node->csize) + 1, GFP_KERNEL);
- if (!f->dents) {
+ * keep in RAM to facilitate quick follow symlink
+ * operation. */
+ f->target = kmalloc(je32_to_cpu(latest_node->csize) + 1, GFP_KERNEL);
+ if (!f->target) {
printk(KERN_WARNING "Can't allocate %d bytes of memory "
"for the symlink target path cache\n",
je32_to_cpu(latest_node->csize));
@@ -561,21 +560,21 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c,
}
ret = jffs2_flash_read(c, ref_offset(fn->raw) + sizeof(*latest_node),
- je32_to_cpu(latest_node->csize), &retlen, (char *)f->dents);
+ je32_to_cpu(latest_node->csize), &retlen, (char *)f->target);
if (ret || retlen != je32_to_cpu(latest_node->csize)) {
if (retlen != je32_to_cpu(latest_node->csize))
ret = -EIO;
- kfree(f->dents);
- f->dents = NULL;
+ kfree(f->target);
+ f->target = NULL;
up(&f->sem);
jffs2_do_clear_inode(c, f);
return -ret;
}
- ((char *)f->dents)[je32_to_cpu(latest_node->csize)] = '\0';
+ f->target[je32_to_cpu(latest_node->csize)] = '\0';
D1(printk(KERN_DEBUG "jffs2_do_read_inode(): symlink's target '%s' cached\n",
- (char *)f->dents));
+ f->target));
}
/* fall through... */
@@ -638,20 +637,16 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f)
jffs2_kill_fragtree(&f->fragtree, deleted?c:NULL);
- /* For symlink inodes we us f->dents to store the target path name */
- if (S_ISLNK(OFNI_EDONI_2SFFJ(f)->i_mode)) {
- if (f->dents) {
- kfree(f->dents);
- f->dents = NULL;
- }
- } else {
- fds = f->dents;
-
- while(fds) {
- fd = fds;
- fds = fd->next;
- jffs2_free_full_dirent(fd);
- }
+ if (f->target) {
+ kfree(f->target);
+ f->target = NULL;
+ }
+
+ fds = f->dents;
+ while(fds) {
+ fd = fds;
+ fds = fd->next;
+ jffs2_free_full_dirent(fd);
}
if (f->inocache && f->inocache->state != INO_STATE_CHECKING) {
diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c
index 82ef484f5e1..6fd5ee4f90b 100644
--- a/fs/jffs2/symlink.c
+++ b/fs/jffs2/symlink.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: symlink.c,v 1.16 2005/03/01 10:50:48 dedekind Exp $
+ * $Id: symlink.c,v 1.18 2005/11/06 11:03:27 gleixner Exp $
*
*/
@@ -30,35 +30,33 @@ struct inode_operations jffs2_symlink_inode_operations =
static void *jffs2_follow_link(struct dentry *dentry, struct nameidata *nd)
{
struct jffs2_inode_info *f = JFFS2_INODE_INFO(dentry->d_inode);
- char *p = (char *)f->dents;
-
+ char *p = (char *)f->target;
+
/*
* We don't acquire the f->sem mutex here since the only data we
- * use is f->dents which in case of the symlink inode points to the
- * symlink's target path.
+ * use is f->target.
*
- * 1. If we are here the inode has already built and f->dents has
+ * 1. If we are here the inode has already built and f->target has
* to point to the target path.
- * 2. Nobody uses f->dents (if the inode is symlink's inode). The
- * exception is inode freeing function which frees f->dents. But
+ * 2. Nobody uses f->target (if the inode is symlink's inode). The
+ * exception is inode freeing function which frees f->target. But
* it can't be called while we are here and before VFS has
- * stopped using our f->dents string which we provide by means of
+ * stopped using our f->target string which we provide by means of
* nd_set_link() call.
*/
if (!p) {
printk(KERN_ERR "jffs2_follow_link(): can't find symlink taerget\n");
p = ERR_PTR(-EIO);
- } else {
- D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->dents));
}
+ D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->target));
nd_set_link(nd, p);
/*
- * We unlock the f->sem mutex but VFS will use the f->dents string. This is safe
- * since the only way that may cause f->dents to be changed is iput() operation.
- * But VFS will not use f->dents after iput() has been called.
+ * We will unlock the f->sem mutex but VFS will use the f->target string. This is safe
+ * since the only way that may cause f->target to be changed is iput() operation.
+ * But VFS will not use f->target after iput() has been called.
*/
return NULL;
}
diff --git a/include/linux/jffs2_fs_i.h b/include/linux/jffs2_fs_i.h
index 6dbb1cce664..a5db884ec60 100644
--- a/include/linux/jffs2_fs_i.h
+++ b/include/linux/jffs2_fs_i.h
@@ -1,4 +1,4 @@
-/* $Id: jffs2_fs_i.h,v 1.17 2004/11/11 23:51:27 dwmw2 Exp $ */
+/* $Id: jffs2_fs_i.h,v 1.18 2005/07/17 11:13:48 dedekind Exp $ */
#ifndef _JFFS2_FS_I
#define _JFFS2_FS_I
@@ -32,6 +32,9 @@ struct jffs2_inode_info {
/* Directory entries */
struct jffs2_full_dirent *dents;
+ /* The target path if this is the inode of a symlink */
+ unsigned char *target;
+
/* Some stuff we just have to keep in-core at all times, for each inode. */
struct jffs2_inode_cache *inocache;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-11 20:16:29 +0000