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authorEric Sandeen <sandeen@redhat.com>2008-07-11 19:27:31 -0400
committerTheodore Ts'o <tytso@mit.edu>2008-07-11 19:27:31 -0400
commit953e622b601f58b7cc0f29fe644457fa40a18456 (patch)
tree15fcef3e6489b90aaf92100b096021773ef856df
parent47b4a50bebfd34b5e1fa2a9c673c8f31fa231cc1 (diff)
ext4: use atomic functions to set bh_state
Use the BUFFER_FNS functions (set_buffer_foo) to set buffer head state atomically instead of nonatomic __set_bit(). Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
-rw-r--r--fs/ext4/extents.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 555155d239d..bb36a28f8ff 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2622,8 +2622,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
*/
if (allocated > max_blocks)
allocated = max_blocks;
- /* mark the buffer unwritten */
- __set_bit(BH_Unwritten, &bh_result->b_state);
+ set_buffer_unwritten(bh_result);
goto out2;
}
@@ -2729,7 +2728,7 @@ outnew:
if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize)
EXT4_I(inode)->i_disksize = inode->i_size;
- __set_bit(BH_New, &bh_result->b_state);
+ set_buffer_new(bh_result);
/* Cache only when it is _not_ an uninitialized extent */
if (create != EXT4_CREATE_UNINITIALIZED_EXT)
@@ -2739,7 +2738,7 @@ out:
if (allocated > max_blocks)
allocated = max_blocks;
ext4_ext_show_leaf(inode, path);
- __set_bit(BH_Mapped, &bh_result->b_state);
+ set_buffer_mapped(bh_result);
bh_result->b_bdev = inode->i_sb->s_bdev;
bh_result->b_blocknr = newblock;
out2: