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[PATCH] Remove superfluous lock_super() in extN xattr code

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lock_super() is unnecessary for setting super-block feature flags.  Use the
provided *_SET_COMPAT_FEATURE() macros as well.

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andreas Gruenbacher 2006-12-06 20:36:16 -08:00 committed by Linus Torvalds
parent 696040670a
commit ed2908f313
3 changed files with 3 additions and 12 deletions
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5
fs/ext2/xattr.c
View File

@ -342,12 +342,9 @@ static void ext2_xattr_update_super_block(struct super_block *sb)
if (EXT2_HAS_COMPAT_FEATURE(sb, EXT2_FEATURE_COMPAT_EXT_ATTR))
return;
lock_super(sb);
EXT2_SB(sb)->s_es->s_feature_compat |=
cpu_to_le32(EXT2_FEATURE_COMPAT_EXT_ATTR);
EXT2_SET_COMPAT_FEATURE(sb, EXT2_FEATURE_COMPAT_EXT_ATTR);
sb->s_dirt = 1;
mark_buffer_dirty(EXT2_SB(sb)->s_sbh);
unlock_super(sb);
}
/*

5
fs/ext3/xattr.c
View File

@ -459,14 +459,11 @@ static void ext3_xattr_update_super_block(handle_t *handle,
if (EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_EXT_ATTR))
return;
lock_super(sb);
if (ext3_journal_get_write_access(handle, EXT3_SB(sb)->s_sbh) == 0) {
EXT3_SB(sb)->s_es->s_feature_compat |=
cpu_to_le32(EXT3_FEATURE_COMPAT_EXT_ATTR);
EXT3_SET_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_EXT_ATTR);
sb->s_dirt = 1;
ext3_journal_dirty_metadata(handle, EXT3_SB(sb)->s_sbh);
}
unlock_super(sb);
}
/*

5
fs/ext4/xattr.c
View File

@ -459,14 +459,11 @@ static void ext4_xattr_update_super_block(handle_t *handle,
if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR))
return;
lock_super(sb);
if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) {
EXT4_SB(sb)->s_es->s_feature_compat |=
cpu_to_le32(EXT4_FEATURE_COMPAT_EXT_ATTR);
EXT4_SET_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR);
sb->s_dirt = 1;
ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh);
}
unlock_super(sb);
}
/*