[PATCH 3.12 100/101] fs/jfs/jfs_inode.c: atomically set inode->i_flags

From: Jiri Slaby
Date: Wed Dec 03 2014 - 06:30:33 EST


From: Fabian Frederick <fabf@xxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit 24e4a0f3de21ad715c9235367e241554c64b9adb upstream.

According to commit 5f16f3225b0624

ext4: atomically set inode->i_flags in ext4_set_inode_flags()

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
Signed-off-by: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
fs/jfs/jfs_inode.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 7f464c513ba0..6b0f816201a2 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -29,20 +29,20 @@
void jfs_set_inode_flags(struct inode *inode)
{
unsigned int flags = JFS_IP(inode)->mode2;
-
- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
- S_NOATIME | S_DIRSYNC | S_SYNC);
+ unsigned int new_fl = 0;

if (flags & JFS_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
+ new_fl |= S_IMMUTABLE;
if (flags & JFS_APPEND_FL)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
if (flags & JFS_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (flags & JFS_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
+ new_fl |= S_DIRSYNC;
if (flags & JFS_SYNC_FL)
- inode->i_flags |= S_SYNC;
+ new_fl |= S_SYNC;
+ inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
+ S_DIRSYNC | S_SYNC);
}

void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
--
2.1.3

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