From 862a804aae3031e91bd0ae0b13c90a1b13d77af3 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 13 Apr 2021 11:15:09 -0700 Subject: [PATCH] xfs: move the XFS_IFEXTENTS check into xfs_iread_extents Move the XFS_IFEXTENTS check from the callers into xfs_iread_extents to simplify the code. Signed-off-by: Christoph Hellwig Reviewed-by: Brian Foster Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 82 ++++++++++++++++----------------------- fs/xfs/scrub/bmap.c | 9 ++--- fs/xfs/xfs_bmap_util.c | 16 +++----- fs/xfs/xfs_dir2_readdir.c | 8 ++-- fs/xfs/xfs_dquot.c | 8 ++-- fs/xfs/xfs_iomap.c | 16 +++----- fs/xfs/xfs_qm.c | 8 ++-- fs/xfs/xfs_reflink.c | 8 ++-- 8 files changed, 62 insertions(+), 93 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 402ecd610360..1b1b58af41fa 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1227,6 +1227,9 @@ xfs_iread_extents( struct xfs_btree_cur *cur; int error; + if (ifp->if_flags & XFS_IFEXTENTS) + return 0; + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (XFS_IS_CORRUPT(mp, ifp->if_format != XFS_DINODE_FMT_BTREE)) { @@ -1284,11 +1287,9 @@ xfs_bmap_first_unused( ASSERT(xfs_ifork_has_extents(ifp)); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; lowest = max = *first_unused; for_each_xfs_iext(ifp, &icur, &got) { @@ -1336,11 +1337,9 @@ xfs_bmap_last_before( return -EFSCORRUPTED; } - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; if (!xfs_iext_lookup_extent_before(ip, ifp, last_block, &icur, &got)) *last_block = 0; @@ -1359,11 +1358,9 @@ xfs_bmap_last_extent( struct xfs_iext_cursor icur; int error; - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; xfs_iext_last(ifp, &icur); if (!xfs_iext_get_extent(ifp, &icur, rec)) @@ -3991,11 +3988,9 @@ xfs_bmapi_read( XFS_STATS_INC(mp, xs_blk_mapr); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(NULL, ip, whichfork); + if (error) + return error; if (!xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) eof = true; @@ -4475,11 +4470,9 @@ xfs_bmapi_write( XFS_STATS_INC(mp, xs_blk_mapw); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - goto error0; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + goto error0; if (!xfs_iext_lookup_extent(ip, ifp, bno, &bma.icur, &bma.got)) eof = true; @@ -4758,11 +4751,9 @@ xfs_bmapi_remap( if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; if (xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) { /* make sure we only reflink into a hole. */ @@ -5433,9 +5424,10 @@ __xfs_bunmapi( else max_len = len; - if (!(ifp->if_flags & XFS_IFEXTENTS) && - (error = xfs_iread_extents(tp, ip, whichfork))) + error = xfs_iread_extents(tp, ip, whichfork); + if (error) return error; + if (xfs_iext_count(ifp) == 0) { *rlen = 0; return 0; @@ -5921,11 +5913,9 @@ xfs_bmap_collapse_extents( ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL)); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); @@ -6038,11 +6028,9 @@ xfs_bmap_insert_extents( ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL)); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); @@ -6141,12 +6129,10 @@ xfs_bmap_split_extent( if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - /* Read in all the extents */ - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + /* Read in all the extents */ + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; /* * If there are not extents, or split_fsb lies in a hole we are done. diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c index 613e2aa7e4e7..924d7e343731 100644 --- a/fs/xfs/scrub/bmap.c +++ b/fs/xfs/scrub/bmap.c @@ -448,11 +448,10 @@ xchk_bmap_btree( /* Load the incore bmap cache if it's not loaded. */ info->was_loaded = ifp->if_flags & XFS_IFEXTENTS; - if (!info->was_loaded) { - error = xfs_iread_extents(sc->tp, ip, whichfork); - if (!xchk_fblock_process_error(sc, whichfork, 0, &error)) - goto out; - } + + error = xfs_iread_extents(sc->tp, ip, whichfork); + if (!xchk_fblock_process_error(sc, whichfork, 0, &error)) + goto out; /* Check the btree structure. */ cur = xfs_bmbt_init_cursor(mp, sc->tp, ip, whichfork); diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index e79e3d1ff38d..1c7116abff0d 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -225,11 +225,9 @@ xfs_bmap_count_blocks( switch (ifp->if_format) { case XFS_DINODE_FMT_BTREE: - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, whichfork); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, whichfork); + if (error) + return error; cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); error = xfs_btree_count_blocks(cur, &btblocks); @@ -471,11 +469,9 @@ xfs_getbmap( first_bno = bno = XFS_BB_TO_FSBT(mp, bmv->bmv_offset); len = XFS_BB_TO_FSB(mp, bmv->bmv_length); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, whichfork); - if (error) - goto out_unlock_ilock; - } + error = xfs_iread_extents(NULL, ip, whichfork); + if (error) + goto out_unlock_ilock; if (!xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) { /* diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 03e7c39a0780..1d2fe48ad19f 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -258,11 +258,9 @@ xfs_dir2_leaf_readbuf( int ra_want; int error = 0; - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(args->trans, dp, XFS_DATA_FORK); - if (error) - goto out; - } + error = xfs_iread_extents(args->trans, dp, XFS_DATA_FORK); + if (error) + goto out; /* * Look for mapped directory blocks at or above the current offset. diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 7fb63a04400f..ecd5059d6928 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -748,11 +748,9 @@ xfs_dq_get_next_id( start = (xfs_fsblock_t)next_id / mp->m_quotainfo->qi_dqperchunk; lock_flags = xfs_ilock_data_map_shared(quotip); - if (!(quotip->i_df.if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, quotip, XFS_DATA_FORK); - if (error) - return error; - } + error = xfs_iread_extents(NULL, quotip, XFS_DATA_FORK); + if (error) + return error; if (xfs_iext_lookup_extent(quotip, "ip->i_df, start, &cur, &got)) { /* contiguous chunk, bump startoff for the id calculation */ diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 9c7bd2d94d8d..d37d42e554a1 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -894,11 +894,9 @@ xfs_buffered_write_iomap_begin( XFS_STATS_INC(mp, xs_blk_mapw); - if (!(ip->i_df.if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); - if (error) - goto out_unlock; - } + error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); + if (error) + goto out_unlock; /* * Search the data fork first to look up our source mapping. We @@ -1209,11 +1207,9 @@ xfs_seek_iomap_begin( return -EIO; lockmode = xfs_ilock_data_map_shared(ip); - if (!(ip->i_df.if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); - if (error) - goto out_unlock; - } + error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); + if (error) + goto out_unlock; if (xfs_iext_lookup_extent(ip, &ip->i_df, offset_fsb, &icur, &imap)) { /* diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 134d5a11eb22..4bf949a89d0d 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1165,11 +1165,9 @@ xfs_qm_dqusage_adjust( if (XFS_IS_REALTIME_INODE(ip)) { struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, XFS_DATA_FORK); - if (error) - goto error0; - } + error = xfs_iread_extents(tp, ip, XFS_DATA_FORK); + if (error) + goto error0; xfs_bmap_count_leaves(ifp, &rtblks); } diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 323506a6b339..4dd4af6ac2ef 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1392,11 +1392,9 @@ xfs_reflink_inode_has_shared_extents( int error; ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(tp, ip, XFS_DATA_FORK); - if (error) - return error; - } + error = xfs_iread_extents(tp, ip, XFS_DATA_FORK); + if (error) + return error; *has_shared = false; found = xfs_iext_lookup_extent(ip, ifp, 0, &icur, &got);