diff options
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_ag.c | 21 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 51 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_attr_remote.c | 22 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 25 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_btree.c | 45 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_btree.h | 21 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_da_btree.c | 8 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 12 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_refcount.c | 6 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_sb.c | 17 |
10 files changed, 78 insertions, 150 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c index 14fbdf22b7e7..08d6beb54f8c 100644 --- a/fs/xfs/libxfs/xfs_ag.c +++ b/fs/xfs/libxfs/xfs_ag.c @@ -23,25 +23,28 @@ #include "xfs_ag_resv.h" #include "xfs_health.h" -static struct xfs_buf * +static int xfs_get_aghdr_buf( struct xfs_mount *mp, xfs_daddr_t blkno, size_t numblks, + struct xfs_buf **bpp, const struct xfs_buf_ops *ops) { struct xfs_buf *bp; + int error; - bp = xfs_buf_get_uncached(mp->m_ddev_targp, numblks, 0); - if (!bp) - return NULL; + error = xfs_buf_get_uncached(mp->m_ddev_targp, numblks, 0, &bp); + if (error) + return error; xfs_buf_zero(bp, 0, BBTOB(bp->b_length)); bp->b_bn = blkno; bp->b_maps[0].bm_bn = blkno; bp->b_ops = ops; - return bp; + *bpp = bp; + return 0; } static inline bool is_log_ag(struct xfs_mount *mp, struct aghdr_init_data *id) @@ -340,13 +343,13 @@ xfs_ag_init_hdr( struct aghdr_init_data *id, aghdr_init_work_f work, const struct xfs_buf_ops *ops) - { struct xfs_buf *bp; + int error; - bp = xfs_get_aghdr_buf(mp, id->daddr, id->numblks, ops); - if (!bp) - return -ENOMEM; + error = xfs_get_aghdr_buf(mp, id->daddr, id->numblks, &bp, ops); + if (error) + return error; (*work)(mp, bp, id); diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index fc93fd88ec89..d8053bc96c4d 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -1070,11 +1070,11 @@ xfs_alloc_ag_vextent_small( if (args->datatype & XFS_ALLOC_USERDATA) { struct xfs_buf *bp; - bp = xfs_btree_get_bufs(args->mp, args->tp, args->agno, fbno); - if (XFS_IS_CORRUPT(args->mp, !bp)) { - error = -EFSCORRUPTED; + error = xfs_trans_get_buf(args->tp, args->mp->m_ddev_targp, + XFS_AGB_TO_DADDR(args->mp, args->agno, fbno), + args->mp->m_bsize, 0, &bp); + if (error) goto error; - } xfs_trans_binval(args->tp, bp); } *fbnop = args->agbno = fbno; @@ -2347,9 +2347,11 @@ xfs_free_agfl_block( if (error) return error; - bp = xfs_btree_get_bufs(tp->t_mountp, tp, agno, agbno); - if (XFS_IS_CORRUPT(tp->t_mountp, !bp)) - return -EFSCORRUPTED; + error = xfs_trans_get_buf(tp, tp->t_mountp->m_ddev_targp, + XFS_AGB_TO_DADDR(tp->t_mountp, agno, agbno), + tp->t_mountp->m_bsize, 0, &bp); + if (error) + return error; xfs_trans_binval(tp, bp); return 0; @@ -2500,12 +2502,11 @@ xfs_alloc_fix_freelist( if (!pag->pagf_init) { error = xfs_alloc_read_agf(mp, tp, args->agno, flags, &agbp); - if (error) + if (error) { + /* Couldn't lock the AGF so skip this AG. */ + if (error == -EAGAIN) + error = 0; goto out_no_agbp; - if (!pag->pagf_init) { - ASSERT(flags & XFS_ALLOC_FLAG_TRYLOCK); - ASSERT(!(flags & XFS_ALLOC_FLAG_FREEING)); - goto out_agbp_relse; } } @@ -2531,11 +2532,10 @@ xfs_alloc_fix_freelist( */ if (!agbp) { error = xfs_alloc_read_agf(mp, tp, args->agno, flags, &agbp); - if (error) - goto out_no_agbp; - if (!agbp) { - ASSERT(flags & XFS_ALLOC_FLAG_TRYLOCK); - ASSERT(!(flags & XFS_ALLOC_FLAG_FREEING)); + if (error) { + /* Couldn't lock the AGF so skip this AG. */ + if (error == -EAGAIN) + error = 0; goto out_no_agbp; } } @@ -2766,11 +2766,10 @@ xfs_alloc_pagf_init( xfs_buf_t *bp; int error; - if ((error = xfs_alloc_read_agf(mp, tp, agno, flags, &bp))) - return error; - if (bp) + error = xfs_alloc_read_agf(mp, tp, agno, flags, &bp); + if (!error) xfs_trans_brelse(tp, bp); - return 0; + return error; } /* @@ -2956,14 +2955,11 @@ xfs_read_agf( trace_xfs_read_agf(mp, agno); ASSERT(agno != NULLAGNUMBER); - error = xfs_trans_read_buf( - mp, tp, mp->m_ddev_targp, + error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), flags, bpp, &xfs_agf_buf_ops); if (error) return error; - if (!*bpp) - return 0; ASSERT(!(*bpp)->b_error); xfs_buf_set_ref(*bpp, XFS_AGF_REF); @@ -2987,14 +2983,15 @@ xfs_alloc_read_agf( trace_xfs_alloc_read_agf(mp, agno); + /* We don't support trylock when freeing. */ + ASSERT((flags & (XFS_ALLOC_FLAG_FREEING | XFS_ALLOC_FLAG_TRYLOCK)) != + (XFS_ALLOC_FLAG_FREEING | XFS_ALLOC_FLAG_TRYLOCK)); ASSERT(agno != NULLAGNUMBER); error = xfs_read_agf(mp, tp, agno, (flags & XFS_ALLOC_FLAG_TRYLOCK) ? XBF_TRYLOCK : 0, bpp); if (error) return error; - if (!*bpp) - return 0; ASSERT(!(*bpp)->b_error); agf = XFS_BUF_TO_AGF(*bpp); diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index a266d05df146..8b7f74b3bea2 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -418,20 +418,10 @@ xfs_attr_rmtval_get( (map[i].br_startblock != HOLESTARTBLOCK)); dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock); dblkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount); - bp = xfs_buf_read(mp->m_ddev_targp, dblkno, dblkcnt, 0, - &xfs_attr3_rmt_buf_ops); - if (!bp) - return -ENOMEM; - error = bp->b_error; - if (error) { - xfs_buf_ioerror_alert(bp, __func__); - xfs_buf_relse(bp); - - /* bad CRC means corrupted metadata */ - if (error == -EFSBADCRC) - error = -EFSCORRUPTED; + error = xfs_buf_read(mp->m_ddev_targp, dblkno, dblkcnt, + 0, &bp, &xfs_attr3_rmt_buf_ops); + if (error) return error; - } error = xfs_attr_rmtval_copyout(mp, bp, args->dp->i_ino, &offset, &valuelen, @@ -555,9 +545,9 @@ xfs_attr_rmtval_set( dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock), dblkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount); - bp = xfs_buf_get(mp->m_ddev_targp, dblkno, dblkcnt); - if (!bp) - return -ENOMEM; + error = xfs_buf_get(mp->m_ddev_targp, dblkno, dblkcnt, &bp); + if (error) + return error; bp->b_ops = &xfs_attr3_rmt_buf_ops; xfs_attr_rmtval_copyin(mp, bp, args->dp->i_ino, &offset, diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 4c2e046fbfad..9a6d7a84689a 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -730,11 +730,11 @@ xfs_bmap_extents_to_btree( cur->bc_private.b.allocated++; ip->i_d.di_nblocks++; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, 1L); - abp = xfs_btree_get_bufl(mp, tp, args.fsbno); - if (XFS_IS_CORRUPT(mp, !abp)) { - error = -EFSCORRUPTED; + error = xfs_trans_get_buf(tp, mp->m_ddev_targp, + XFS_FSB_TO_DADDR(mp, args.fsbno), + mp->m_bsize, 0, &abp); + if (error) goto out_unreserve_dquot; - } /* * Fill in the child block. @@ -878,7 +878,11 @@ xfs_bmap_local_to_extents( ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(args.len == 1); tp->t_firstblock = args.fsbno; - bp = xfs_btree_get_bufl(args.mp, tp, args.fsbno); + error = xfs_trans_get_buf(tp, args.mp->m_ddev_targp, + XFS_FSB_TO_DADDR(args.mp, args.fsbno), + args.mp->m_bsize, 0, &bp); + if (error) + goto done; /* * Initialize the block, copy the data and log the remote buffer. @@ -3307,11 +3311,12 @@ xfs_bmap_longest_free_extent( pag = xfs_perag_get(mp, ag); if (!pag->pagf_init) { error = xfs_alloc_pagf_init(mp, tp, ag, XFS_ALLOC_FLAG_TRYLOCK); - if (error) - goto out; - - if (!pag->pagf_init) { - *notinit = 1; + if (error) { + /* Couldn't lock the AGF, so skip this AG. */ + if (error == -EAGAIN) { + *notinit = 1; + error = 0; + } goto out; } } diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index b22c7e928eb1..fd300dc93ca4 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -679,42 +679,6 @@ xfs_btree_get_block( } /* - * Get a buffer for the block, return it with no data read. - * Long-form addressing. - */ -xfs_buf_t * /* buffer for fsbno */ -xfs_btree_get_bufl( - xfs_mount_t *mp, /* file system mount point */ - xfs_trans_t *tp, /* transaction pointer */ - xfs_fsblock_t fsbno) /* file system block number */ -{ - xfs_daddr_t d; /* real disk block address */ - - ASSERT(fsbno != NULLFSBLOCK); - d = XFS_FSB_TO_DADDR(mp, fsbno); - return xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0); -} - -/* - * Get a buffer for the block, return it with no data read. - * Short-form addressing. - */ -xfs_buf_t * /* buffer for agno/agbno */ -xfs_btree_get_bufs( - xfs_mount_t *mp, /* file system mount point */ - xfs_trans_t *tp, /* transaction pointer */ - xfs_agnumber_t agno, /* allocation group number */ - xfs_agblock_t agbno) /* allocation group block number */ -{ - xfs_daddr_t d; /* real disk block address */ - - ASSERT(agno != NULLAGNUMBER); - ASSERT(agbno != NULLAGBLOCK); - d = XFS_AGB_TO_DADDR(mp, agno, agbno); - return xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0); -} - -/* * Change the cursor to point to the first record at the given level. * Other levels are unaffected. */ @@ -1270,11 +1234,10 @@ xfs_btree_get_buf_block( error = xfs_btree_ptr_to_daddr(cur, ptr, &d); if (error) return error; - *bpp = xfs_trans_get_buf(cur->bc_tp, mp->m_ddev_targp, d, - mp->m_bsize, 0); - - if (!*bpp) - return -ENOMEM; + error = xfs_trans_get_buf(cur->bc_tp, mp->m_ddev_targp, d, mp->m_bsize, + 0, bpp); + if (error) + return error; (*bpp)->b_ops = cur->bc_ops->buf_ops; *block = XFS_BUF_TO_BLOCK(*bpp); diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index fb9b2121c628..3eff7c321d43 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -297,27 +297,6 @@ xfs_btree_dup_cursor( xfs_btree_cur_t **ncur);/* output cursor */ /* - * Get a buffer for the block, return it with no data read. - * Long-form addressing. - */ -struct xfs_buf * /* buffer for fsbno */ -xfs_btree_get_bufl( - struct xfs_mount *mp, /* file system mount point */ - struct xfs_trans *tp, /* transaction pointer */ - xfs_fsblock_t fsbno); /* file system block number */ - -/* - * Get a buffer for the block, return it with no data read. - * Short-form addressing. - */ -struct xfs_buf * /* buffer for agno/agbno */ -xfs_btree_get_bufs( - struct xfs_mount *mp, /* file system mount point */ - struct xfs_trans *tp, /* transaction pointer */ - xfs_agnumber_t agno, /* allocation group number */ - xfs_agblock_t agbno); /* allocation group block number */ - -/* * Compute first and last byte offsets for the fields given. * Interprets the offsets table, which contains struct field offsets. */ diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index 8c3eafe280ed..875e04f82541 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -2591,13 +2591,9 @@ xfs_da_get_buf( if (error || nmap == 0) goto out_free; - bp = xfs_trans_get_buf_map(tp, mp->m_ddev_targp, mapp, nmap, 0); - error = bp ? bp->b_error : -EIO; - if (error) { - if (bp) - xfs_trans_brelse(tp, bp); + error = xfs_trans_get_buf_map(tp, mp->m_ddev_targp, mapp, nmap, 0, &bp); + if (error) goto out_free; - } *bpp = bp; diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 5b759af4d165..bf161e930f1d 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -276,6 +276,7 @@ xfs_ialloc_inode_init( int i, j; xfs_daddr_t d; xfs_ino_t ino = 0; + int error; /* * Loop over the new block(s), filling in the inodes. For small block @@ -327,12 +328,11 @@ xfs_ialloc_inode_init( */ d = XFS_AGB_TO_DADDR(mp, agno, agbno + (j * M_IGEO(mp)->blocks_per_cluster)); - fbuf = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, - mp->m_bsize * - M_IGEO(mp)->blocks_per_cluster, - XBF_UNMAPPED); - if (!fbuf) - return -ENOMEM; + error = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, + mp->m_bsize * M_IGEO(mp)->blocks_per_cluster, + XBF_UNMAPPED, &fbuf); + if (error) + return error; /* Initialize the inode buffers and log them appropriately. */ fbuf->b_ops = &xfs_inode_buf_ops; diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index d7d702ee4d1a..6e1665f2cb67 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1177,8 +1177,6 @@ xfs_refcount_finish_one( XFS_ALLOC_FLAG_FREEING, &agbp); if (error) return error; - if (XFS_IS_CORRUPT(tp->t_mountp, !agbp)) - return -EFSCORRUPTED; rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno); if (!rcur) { @@ -1718,10 +1716,6 @@ xfs_refcount_recover_cow_leftovers( error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp); if (error) goto out_trans; - if (!agbp) { - error = -ENOMEM; - goto out_trans; - } cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno); /* Find all the leftover CoW staging extents. */ diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 0ac69751fe85..2f60fc3c99a0 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -985,9 +985,9 @@ xfs_update_secondary_sbs( for (agno = 1; agno < mp->m_sb.sb_agcount; agno++) { struct xfs_buf *bp; - bp = xfs_buf_get(mp->m_ddev_targp, + error = xfs_buf_get(mp->m_ddev_targp, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), - XFS_FSS_TO_BB(mp, 1)); + XFS_FSS_TO_BB(mp, 1), &bp); /* * If we get an error reading or writing alternate superblocks, * continue. xfs_repair chooses the "best" superblock based @@ -995,12 +995,12 @@ xfs_update_secondary_sbs( * superblocks un-updated than updated, and xfs_repair may * pick them over the properly-updated primary. */ - if (!bp) { + if (error) { xfs_warn(mp, "error allocating secondary superblock for ag %d", agno); if (!saved_error) - saved_error = -ENOMEM; + saved_error = error; continue; } @@ -1185,13 +1185,14 @@ xfs_sb_get_secondary( struct xfs_buf **bpp) { struct xfs_buf *bp; + int error; ASSERT(agno != 0 && agno != NULLAGNUMBER); - bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, + error = xfs_trans_get_buf(tp, mp->m_ddev_targp, XFS_AG_DADDR(mp, agno, XFS_SB_BLOCK(mp)), - XFS_FSS_TO_BB(mp, 1), 0); - if (!bp) - return -ENOMEM; + XFS_FSS_TO_BB(mp, 1), 0, &bp); + if (error) + return error; bp->b_ops = &xfs_sb_buf_ops; xfs_buf_oneshot(bp); *bpp = bp; |