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ext4: clean up feature test macros with predicate functions

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Create separate predicate functions to test/set/clear feature flags,
thereby replacing the wordy old macros.  Furthermore, clean out the
places where we open-coded feature tests.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Darrick J. Wong
2015-10-17 16:18:43 -04:00
committed by Theodore Ts'o
parent 6a797d2737
commit e2b911c535
15 changed files with 252 additions and 184 deletions
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4
fs/ext4/extents.c
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@@ -3055,7 +3055,7 @@ void ext4_ext_init(struct super_block *sb)
* possible initialization would be here
*/
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
if (ext4_has_feature_extents(sb)) {
#if defined(AGGRESSIVE_TEST) || defined(CHECK_BINSEARCH) || defined(EXTENTS_STATS)
printk(KERN_INFO "EXT4-fs: file extents enabled"
#ifdef AGGRESSIVE_TEST
@@ -3082,7 +3082,7 @@ void ext4_ext_init(struct super_block *sb)
*/
void ext4_ext_release(struct super_block *sb)
{
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
if (!ext4_has_feature_extents(sb))
return;
#ifdef EXTENTS_STATS