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hfs: simplify a bit checking for R/O 

We have the following pattern in 2 places in HFS

if (!RDONLY)
	hfs_mdb_commit();

This patch pushes the RDONLY check down to 'hfs_mdb_commit()'. This will
make the following patches a bit simpler.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Artem Bityutskiy 2012-07-12 17:28:47 +03:00 committed by Al Viro
parent a3742d4828
commit 4527440d5d
3 changed files with 5 additions and 4 deletions
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3
fs/hfs/inode.c
View File

@ -646,8 +646,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
sb = inode->i_sb;
if (sb->s_dirt) {
sb->s_dirt = 0;
if (!(sb->s_flags & MS_RDONLY))
hfs_mdb_commit(sb);
hfs_mdb_commit(sb);
}
/* .. finally sync the buffers to disk */
err = sync_blockdev(sb->s_bdev);

3
fs/hfs/mdb.c
View File

@ -260,6 +260,9 @@ void hfs_mdb_commit(struct super_block *sb)
{
struct hfs_mdb *mdb = HFS_SB(sb)->mdb;
if (sb->s_flags & MS_RDONLY)
return;
lock_buffer(HFS_SB(sb)->mdb_bh);
if (test_and_clear_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags)) {
/* These parameters may have been modified, so write them back */

3
fs/hfs/super.c
View File

@ -53,8 +53,7 @@ static void hfs_write_super(struct super_block *sb)
sb->s_dirt = 0;
/* sync everything to the buffers */
if (!(sb->s_flags & MS_RDONLY))
hfs_mdb_commit(sb);
hfs_mdb_commit(sb);
}
static int hfs_sync_fs(struct super_block *sb, int wait)