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introduce I_SYNC

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I_LOCK was used for several unrelated purposes, which caused deadlock
situations in certain filesystems as a side effect.  One of the purposes
now uses the new I_SYNC bit.

Also document the various bits and change their order from historical to
logical.

[[email protected]: make fs/inode.c:wake_up_inode() static]
Signed-off-by: Joern Engel <[email protected]>
Cc: Dave Kleikamp <[email protected]>
Cc: David Chinner <[email protected]>
Cc: Anton Altaparmakov <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Joern Engel 2007-10-16 23:30:44 -07:00 • committed by Linus Torvalds
commit 1c0eeaf569
8 changed files with 116 additions and 42 deletions
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2
fs/hugetlbfs/inode.c
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@ -384,7 +384,7 @@ static void hugetlbfs_forget_inode(struct inode *inode) __releases(inode_lock)
struct super_block *sb = inode->i_sb;
if (!hlist_unhashed(&inode->i_hash)) {
if (!(inode->i_state & (I_DIRTY|I_LOCK)))
if (!(inode->i_state & (I_DIRTY|I_SYNC)))
list_move(&inode->i_list, &inode_unused);
inodes_stat.nr_unused++;
if (!sb || (sb->s_flags & MS_ACTIVE)) {