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Commit 58298709 authored by Lukas Czerner's avatar Lukas Czerner Committed by Theodore Ts'o
Browse files

ext4: check for negative error code from sb_issue_discard 



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

Signed-off-by: default avatarLukas Czerner <lczerner@redhat.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent b443e733

fs/ext4/mballoc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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);

	}

	}