evie/android_kernel_oneplus_msm8998
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ext4: check for negative error code from sb_issue_discard

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sb_issue_discard() is returning negative error code, so check for
-EOPNOTSUPP.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Lukas Czerner 2010-10-27 21:30:03 -04:00 • committed by Theodore Ts'o
parent b443e7339a
commit 5829870982
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/mballoc.c
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@ -2613,7 +2613,7 @@ static inline void ext4_issue_discard(struct super_block *sb,
trace_ext4_discard_blocks(sb, trace_ext4_discard_blocks(sb,
(unsigned long long) discard_block, count); (unsigned long long) discard_block, count);
ret = sb_issue_discard(sb, discard_block, count); ret = sb_issue_discard(sb, discard_block, count);
if (ret == EOPNOTSUPP) { if (ret == -EOPNOTSUPP) {
ext4_warning(sb, "discard not supported, disabling"); ext4_warning(sb, "discard not supported, disabling");
clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD); clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD);
} }