summary refs log tree commit diff
path: root/fs
diff options
context:
space:
mode:
authorChao Yu <yuchao0@huawei.com>2018-10-07 19:06:15 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2018-10-22 17:54:47 -0700
commit9149a5eb606152df158eb7d7da5a34e84b574189 (patch)
tree03ccd0b0bb30026f81c7e13257291d35c28ca0ad /fs
parent2baf07818549c8bb8d7b3437e889b86eab56d38e (diff)
downloadlinux-9149a5eb606152df158eb7d7da5a34e84b574189.tar.gz
f2fs: spread f2fs_set_inode_flags()
This patch changes codes as below:
- use f2fs_set_inode_flags() to update i_flags atomically to avoid
potential race.
- synchronize F2FS_I(inode)->i_flags to inode->i_flags in
f2fs_new_inode().
- use f2fs_set_inode_flags() to simply codes in f2fs_quota_{on,off}.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/f2fs/namei.c2
-rw-r--r--fs/f2fs/super.c5
3 files changed, 5 insertions, 4 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7f9cb0bba104..c25c67868b98 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3422,7 +3422,7 @@ static inline void f2fs_set_encrypted_inode(struct inode *inode)
 {
 #ifdef CONFIG_F2FS_FS_ENCRYPTION
 	file_set_encrypt(inode);
-	inode->i_flags |= S_ENCRYPTED;
+	f2fs_set_inode_flags(inode);
 #endif
 }
 
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index a54577e417b1..54295b5c1822 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -122,6 +122,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
 		set_inode_flag(inode, FI_PROJ_INHERIT);
 
+	f2fs_set_inode_flags(inode);
+
 	trace_f2fs_new_inode(inode, 0);
 	return inode;
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 262a27744eb1..bb88ae62ae6f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1939,8 +1939,7 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
 
 	inode_lock(inode);
 	F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL;
-	inode_set_flags(inode, S_NOATIME | S_IMMUTABLE,
-					S_NOATIME | S_IMMUTABLE);
+	f2fs_set_inode_flags(inode);
 	inode_unlock(inode);
 	f2fs_mark_inode_dirty_sync(inode, false);
 
@@ -1965,7 +1964,7 @@ static int f2fs_quota_off(struct super_block *sb, int type)
 
 	inode_lock(inode);
 	F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL);
-	inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE);
+	f2fs_set_inode_flags(inode);
 	inode_unlock(inode);
 	f2fs_mark_inode_dirty_sync(inode, false);
 out_put: