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ext4: fix trimmed block count accunting 

Currently when there is not enough free blocks in the block group to
discard (grp->bb_free < minlen) the 'trimmed' is bumped up anyway with
the number of discarded blocks from the previous iteration. Fix this
by bumping up 'trimmed' only if the ext4_trim_all_free() was actually
run.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Lukas Czerner 2012-03-21 21:24:22 -04:00 committed by Theodore Ts'o
parent 913eed83ed
commit 21e7fd22a5
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/mballoc.c
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@ -5026,8 +5026,8 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range)
ret = cnt;
break;
}
trimmed += cnt;
}
trimmed += cnt;
/*
* For every group except the first one, we are sure