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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix ext4_free_inode() vs. ext4_claim_inode() race
wifi-calibration
Linus Torvalds 2009-03-08 10:24:57 -07:00
parent 1401689996 7ce9d5d1f3
commit 5b61f6accf
1 changed files with 5 additions and 3 deletions
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8
fs/ext4/ialloc.c
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@ -188,7 +188,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
struct ext4_group_desc *gdp;
struct ext4_super_block *es;
struct ext4_sb_info *sbi;
int fatal = 0, err, count;
int fatal = 0, err, count, cleared;
ext4_group_t flex_group;
if (atomic_read(&inode->i_count) > 1) {
@ -248,8 +248,10 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
goto error_return;
/* Ok, now we can actually update the inode bitmaps.. */
if (!ext4_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
bit, bitmap_bh->b_data))
spin_lock(sb_bgl_lock(sbi, block_group));
cleared = ext4_clear_bit(bit, bitmap_bh->b_data);
spin_unlock(sb_bgl_lock(sbi, block_group));
if (!cleared)
ext4_error(sb, "ext4_free_inode",
"bit already cleared for inode %lu", ino);
else {