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ext4: fix mount failure with quota configured as module

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When CONFIG_QFMT_V2 is configured as a module, the test in
ext4_feature_set_ok() fails and so mount of filesystems with quota or
project features fails. Fix the test to use IS_ENABLED macro which
works properly even for modules.

Link: https://lore.kernel.org/r/20200221100835.9332-1-jack@suse.cz
Fixes: d65d87a074 ("ext4: improve explanation of a mount failure caused by a misconfigured kernel")
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
This commit is contained in:
Jan Kara 2020-02-21 11:08:35 +01:00 committed by Theodore Ts'o
parent 8eedabfd66
commit 9db176bceb
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/super.c
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@ -3034,7 +3034,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
return 0; return 0;
} }
#if !defined(CONFIG_QUOTA) || !defined(CONFIG_QFMT_V2) #if !IS_ENABLED(CONFIG_QUOTA) || !IS_ENABLED(CONFIG_QFMT_V2)
if (!readonly && (ext4_has_feature_quota(sb) || if (!readonly && (ext4_has_feature_quota(sb) ||
ext4_has_feature_project(sb))) { ext4_has_feature_project(sb))) {
ext4_msg(sb, KERN_ERR, ext4_msg(sb, KERN_ERR,