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btrfs: fix btrfs_extend_item() comment

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The size parameter to btrfs_extend_item() is the number of bytes
to add to the item, not the size of the item after the operation
(like it is for btrfs_truncate_item(), there the size parameter
is not the number of bytes to take away, but the total size of
the item after truncation).
Fix it in the comment.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Stefan Behrens 2013-05-07 12:23:30 +02:00 committed by Jiri Kosina
parent 611a75e187
commit 7e21f14d17
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/ctree.c
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@ -4430,7 +4430,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
}
/*
* make the item pointed to by the path bigger, data_size is the new size.
* make the item pointed to by the path bigger, data_size is the added size.
*/
void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
u32 data_size)