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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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9
fs/ext4/migrate.c
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@@ -448,8 +448,7 @@ int ext4_ext_migrate(struct inode *inode)
* If the filesystem does not support extents, or the inode
* already is extent-based, error out.
*/
if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_INCOMPAT_EXTENTS) ||
if (!ext4_has_feature_extents(inode->i_sb) ||
(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
return -EINVAL;
@@ -625,13 +624,11 @@ int ext4_ind_migrate(struct inode *inode)
handle_t *handle;
int ret;
if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_INCOMPAT_EXTENTS) ||
if (!ext4_has_feature_extents(inode->i_sb) ||
(!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
return -EINVAL;
if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
if (ext4_has_feature_bigalloc(inode->i_sb))
return -EOPNOTSUPP;
/*