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block: remove checks for FALLOC_FL_NO_HIDE_STALE

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While the FALLOC_FL_NO_HIDE_STALE value has been registered, it has
always been rejected by vfs_fallocate before making it into
blkdev_fallocate because it isn't in the supported mask.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240827065123.1762168-2-hch@lst.de
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-08-27 08:50:45 +02:00 committed by Christian Brauner
parent 47ac09b91b
commit ad01dadaa9
1 changed files with 1 additions and 9 deletions
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10
block/fops.c
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@ -771,7 +771,7 @@ reexpand:
#define BLKDEV_FALLOC_FL_SUPPORTED \
(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | \
FALLOC_FL_ZERO_RANGE | FALLOC_FL_NO_HIDE_STALE)
FALLOC_FL_ZERO_RANGE)
static long blkdev_fallocate(struct file *file, int mode, loff_t start,
loff_t len)
@ -830,14 +830,6 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start,
len >> SECTOR_SHIFT, GFP_KERNEL,
BLKDEV_ZERO_NOFALLBACK);
break;
case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE:
error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end);
if (error)
goto fail;
error = blkdev_issue_discard(bdev, start >> SECTOR_SHIFT,
len >> SECTOR_SHIFT, GFP_KERNEL);
break;
default:
error = -EOPNOTSUPP;
}