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xfs: simplify extent lookup in xfs_can_free_eofblocks

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xfs_can_free_eofblocks just cares if there is an extent beyond EOF.
Replace the call to xfs_bmapi_read with a xfs_iext_lookup_extent
as we've already checked that extents are read in earlier.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-08-13 09:39:41 +02:00 • committed by Chandan Babu R
parent b717089efe
commit 11f4c3a53a
1 changed files with 7 additions and 15 deletions
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22
fs/xfs/xfs_bmap_util.c
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@ -492,12 +492,12 @@ bool
xfs_can_free_eofblocks(
struct xfs_inode *ip)
{
struct xfs_bmbt_irec imap;
struct xfs_mount *mp = ip->i_mount;
bool found_blocks = false;
xfs_fileoff_t end_fsb;
xfs_fileoff_t last_fsb;
int nimaps = 1;
int error;
struct xfs_bmbt_irec imap;
struct xfs_iext_cursor icur;
/*
* Caller must either hold the exclusive io lock; or be inactivating
@ -544,21 +544,13 @@ xfs_can_free_eofblocks(
return false;
/*
* Look up the mapping for the first block past EOF. If we can't find
* it, there's nothing to free.
* Check if there is an post-EOF extent to free.
*/
xfs_ilock(ip, XFS_ILOCK_SHARED);
error = xfs_bmapi_read(ip, end_fsb, last_fsb - end_fsb, &imap, &nimaps,
0);
if (xfs_iext_lookup_extent(ip, &ip->i_df, end_fsb, &icur, &imap))
found_blocks = true;
xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (error || nimaps == 0)
return false;
/*
* If there's a real mapping there or there are delayed allocation
* reservations, then we have post-EOF blocks to try to free.
*/
return imap.br_startblock != HOLESTARTBLOCK || ip->i_delayed_blks;
return found_blocks;
}
/*