| Message ID | 20240623053532.857496-10-hch@lst.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [01/10] xfs: fix freeing speculative preallocations for preallocated files | expand |
On Sun, Jun 23, 2024 at 07:34:54AM +0200, Christoph Hellwig wrote: > 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> I guess that works :) Reviewed-by: Darrick J. Wong <djwong@kernel.org> --D > --- > fs/xfs/xfs_bmap_util.c | 22 +++++++--------------- > 1 file changed, 7 insertions(+), 15 deletions(-) > > diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c > index a4d9fbc21b8343..52863b784b023f 100644 > --- a/fs/xfs/xfs_bmap_util.c > +++ b/fs/xfs/xfs_bmap_util.c > @@ -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; > } > > /* > -- > 2.43.0 > >
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index a4d9fbc21b8343..52863b784b023f 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -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; } /*
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> --- fs/xfs/xfs_bmap_util.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-)