diff options
Diffstat (limited to 'fs/xfs')
61 files changed, 2070 insertions, 1571 deletions
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index f64639176670..3542d94fddce 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -121,4 +121,5 @@ xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o xfs-$(CONFIG_SYSCTL) += xfs_sysctl.o xfs-$(CONFIG_COMPAT) += xfs_ioctl32.o -xfs-$(CONFIG_NFSD_PNFS) += xfs_pnfs.o +xfs-$(CONFIG_NFSD_BLOCKLAYOUT) += xfs_pnfs.o +xfs-$(CONFIG_NFSD_SCSILAYOUT) += xfs_pnfs.o diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 444626ddbd1b..d9b42425291e 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -118,8 +118,6 @@ xfs_allocbt_free_block( xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, XFS_EXTENT_BUSY_SKIP_DISCARD); xfs_trans_agbtree_delta(cur->bc_tp, -1); - - xfs_trans_binval(cur->bc_tp, bp); return 0; } diff --git a/fs/xfs/libxfs/xfs_attr_sf.h b/fs/xfs/libxfs/xfs_attr_sf.h index 919756e3ba53..90928bbe693c 100644 --- a/fs/xfs/libxfs/xfs_attr_sf.h +++ b/fs/xfs/libxfs/xfs_attr_sf.h @@ -24,22 +24,6 @@ * Small attribute lists are packed as tightly as possible so as * to fit into the literal area of the inode. */ - -/* - * Entries are packed toward the top as tight as possible. - */ -typedef struct xfs_attr_shortform { - struct xfs_attr_sf_hdr { /* constant-structure header block */ - __be16 totsize; /* total bytes in shortform list */ - __u8 count; /* count of active entries */ - } hdr; - struct xfs_attr_sf_entry { - __uint8_t namelen; /* actual length of name (no NULL) */ - __uint8_t valuelen; /* actual length of value (no NULL) */ - __uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */ - __uint8_t nameval[1]; /* name & value bytes concatenated */ - } list[1]; /* variable sized array */ -} xfs_attr_shortform_t; typedef struct xfs_attr_sf_hdr xfs_attr_sf_hdr_t; typedef struct xfs_attr_sf_entry xfs_attr_sf_entry_t; diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index ef00156f4f96..041b6948aecc 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -477,10 +477,7 @@ xfs_bmap_check_leaf_extents( } block = XFS_BUF_TO_BLOCK(bp); } - if (bp_release) { - bp_release = 0; - xfs_trans_brelse(NULL, bp); - } + return; error0: @@ -912,7 +909,7 @@ xfs_bmap_local_to_extents( * We don't want to deal with the case of keeping inode data inline yet. * So sending the data fork of a regular inode is invalid. */ - ASSERT(!(S_ISREG(ip->i_d.di_mode) && whichfork == XFS_DATA_FORK)); + ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK)); ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL); @@ -1079,7 +1076,7 @@ xfs_bmap_add_attrfork_local( if (ip->i_df.if_bytes <= XFS_IFORK_DSIZE(ip)) return 0; - if (S_ISDIR(ip->i_d.di_mode)) { + if (S_ISDIR(VFS_I(ip)->i_mode)) { memset(&dargs, 0, sizeof(dargs)); dargs.geo = ip->i_mount->m_dir_geo; dargs.dp = ip; @@ -1091,7 +1088,7 @@ xfs_bmap_add_attrfork_local( return xfs_dir2_sf_to_block(&dargs); } - if (S_ISLNK(ip->i_d.di_mode)) + if (S_ISLNK(VFS_I(ip)->i_mode)) return xfs_bmap_local_to_extents(tp, ip, firstblock, 1, flags, XFS_DATA_FORK, xfs_symlink_local_to_remote); @@ -4721,6 +4718,66 @@ error0: } /* + * When a delalloc extent is split (e.g., due to a hole punch), the original + * indlen reservation must be shared across the two new extents that are left + * behind. + * + * Given the original reservation and the worst case indlen for the two new + * extents (as calculated by xfs_bmap_worst_indlen()), split the original + * reservation fairly across the two new extents. If necessary, steal available + * blocks from a deleted extent to make up a reservation deficiency (e.g., if + * ores == 1). The number of stolen blocks is returned. The availability and + * subsequent accounting of stolen blocks is the responsibility of the caller. + */ +static xfs_filblks_t +xfs_bmap_split_indlen( + xfs_filblks_t ores, /* original res. */ + xfs_filblks_t *indlen1, /* ext1 worst indlen */ + xfs_filblks_t *indlen2, /* ext2 worst indlen */ + xfs_filblks_t avail) /* stealable blocks */ +{ + xfs_filblks_t len1 = *indlen1; + xfs_filblks_t len2 = *indlen2; + xfs_filblks_t nres = len1 + len2; /* new total res. */ + xfs_filblks_t stolen = 0; + + /* + * Steal as many blocks as we can to try and satisfy the worst case + * indlen for both new extents. + */ + while (nres > ores && avail) { + nres--; + avail--; + stolen++; + } + + /* + * The only blocks available are those reserved for the original + * extent and what we can steal from the extent being removed. + * If this still isn't enough to satisfy the combined + * requirements for the two new extents, skim blocks off of each + * of the new reservations until they match what is available. + */ + while (nres > ores) { + if (len1) { + len1--; + nres--; + } + if (nres == ores) + break; + if (len2) { + len2--; + nres--; + } + } + + *indlen1 = len1; + *indlen2 = len2; + + return stolen; +} + +/* * Called by xfs_bmapi to update file extent records and the btree * after removing space (or undoing a delayed allocation). */ @@ -4984,28 +5041,29 @@ xfs_bmap_del_extent( XFS_IFORK_NEXT_SET(ip, whichfork, XFS_IFORK_NEXTENTS(ip, whichfork) + 1); } else { + xfs_filblks_t stolen; ASSERT(whichfork == XFS_DATA_FORK); - temp = xfs_bmap_worst_indlen(ip, temp); + + /* + * Distribute the original indlen reservation across the + * two new extents. Steal blocks from the deleted extent + * if necessary. Stealing blocks simply fudges the + * fdblocks accounting in xfs_bunmapi(). + */ + temp = xfs_bmap_worst_indlen(ip, got.br_blockcount); + temp2 = xfs_bmap_worst_indlen(ip, new.br_blockcount); + stolen = xfs_bmap_split_indlen(da_old, &temp, &temp2, + del->br_blockcount); + da_new = temp + temp2 - stolen; + del->br_blockcount -= stolen; + + /* + * Set the reservation for each extent. Warn if either + * is zero as this can lead to delalloc problems. + */ + WARN_ON_ONCE(!temp || !temp2); xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); - temp2 = xfs_bmap_worst_indlen(ip, temp2); new.br_startblock = nullstartblock((int)temp2); - da_new = temp + temp2; - while (da_new > da_old) { - if (temp) { - temp--; - da_new--; - xfs_bmbt_set_startblock(ep, - nullstartblock((int)temp)); - } - if (da_new == da_old) - break; - if (temp2) { - temp2--; - da_new--; - new.br_startblock = - nullstartblock((int)temp2); - } - } } trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); xfs_iext_insert(ip, *idx + 1, 1, &new, state); @@ -5210,7 +5268,7 @@ xfs_bunmapi( * This is better than zeroing it. */ ASSERT(del.br_state == XFS_EXT_NORM); - ASSERT(xfs_trans_get_block_res(tp) > 0); + ASSERT(tp->t_blk_res > 0); /* * If this spans a realtime extent boundary, * chop it back to the start of the one we end at. @@ -5241,7 +5299,7 @@ xfs_bunmapi( del.br_startblock += mod; } else if ((del.br_startoff == start && (del.br_state == XFS_EXT_UNWRITTEN || - xfs_trans_get_block_res(tp) == 0)) || + tp->t_blk_res == 0)) || !xfs_sb_version_hasextflgbit(&mp->m_sb)) { /* * Can't make it unwritten. There isn't @@ -5296,9 +5354,37 @@ xfs_bunmapi( goto nodelete; } } + + /* + * If it's the case where the directory code is running + * with no block reservation, and the deleted block is in + * the middle of its extent, and the resulting insert + * of an extent would cause transformation to btree format, + * then reject it. The calling code will then swap + * blocks around instead. + * We have to do this now, rather than waiting for the + * conversion to btree format, since the transaction + * will be dirty. + */ + if (!wasdel && tp->t_blk_res == 0 && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && + XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */ + XFS_IFORK_MAXEXT(ip, whichfork) && + del.br_startoff > got.br_startoff && + del.br_startoff + del.br_blockcount < + got.br_startoff + got.br_blockcount) { + error = -ENOSPC; + goto error0; + } + + /* + * Unreserve quota and update realtime free space, if + * appropriate. If delayed allocation, update the inode delalloc + * counter now and wait to update the sb counters as + * xfs_bmap_del_extent() might need to borrow some blocks. + */ if (wasdel) { ASSERT(startblockval(del.br_startblock) > 0); - /* Update realtime/data freespace, unreserve quota */ if (isrt) { xfs_filblks_t rtexts; @@ -5309,8 +5395,6 @@ xfs_bunmapi( ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_RTBLKS); } else { - xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount, - false); (void)xfs_trans_reserve_quota_nblks(NULL, ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_REGBLKS); @@ -5321,32 +5405,16 @@ xfs_bunmapi( XFS_BTCUR_BPRV_WASDEL; } else if (cur) cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL; - /* - * If it's the case where the directory code is running - * with no block reservation, and the deleted block is in - * the middle of its extent, and the resulting insert - * of an extent would cause transformation to btree format, - * then reject it. The calling code will then swap - * blocks around instead. - * We have to do this now, rather than waiting for the - * conversion to btree format, since the transaction - * will be dirty. - */ - if (!wasdel && xfs_trans_get_block_res(tp) == 0 && - XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && - XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */ - XFS_IFORK_MAXEXT(ip, whichfork) && - del.br_startoff > got.br_startoff && - del.br_startoff + del.br_blockcount < - got.br_startoff + got.br_blockcount) { - error = -ENOSPC; - goto error0; - } + error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) goto error0; + + if (!isrt && wasdel) + xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount, false); + bno = del.br_startoff - 1; nodelete: /* diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 1637c37bfbaa..6282f6e708af 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -461,7 +461,7 @@ xfs_bmbt_alloc_block( * reservation amount is insufficient then we may fail a * block allocation here and corrupt the filesystem. */ - args.minleft = xfs_trans_get_block_res(args.tp); + args.minleft = args.tp->t_blk_res; } else if (cur->bc_private.b.flist->xbf_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { @@ -470,7 +470,7 @@ xfs_bmbt_alloc_block( args.minlen = args.maxlen = args.prod = 1; args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; - if (!args.wasdel && xfs_trans_get_block_res(args.tp) == 0) { + if (!args.wasdel && args.tp->t_blk_res == 0) { error = -ENOSPC; goto error0; } @@ -531,7 +531,6 @@ xfs_bmbt_free_block( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); - xfs_trans_binval(tp, bp); return 0; } diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index a0eb18ce3ad3..1f88e1ce770f 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -294,6 +294,21 @@ xfs_btree_sblock_verify_crc( return true; } +static int +xfs_btree_free_block( + struct xfs_btree_cur *cur, + struct xfs_buf *bp) +{ + int error; + + error = cur->bc_ops->free_block(cur, bp); + if (!error) { + xfs_trans_binval(cur->bc_tp, bp); + XFS_BTREE_STATS_INC(cur, free); + } + return error; +} + /* * Delete the btree cursor. */ @@ -3209,6 +3224,7 @@ xfs_btree_kill_iroot( int level; int index; int numrecs; + int error; #ifdef DEBUG union xfs_btree_ptr ptr; int i; @@ -3272,8 +3288,6 @@ xfs_btree_kill_iroot( cpp = xfs_btree_ptr_addr(cur, 1, cblock); #ifdef DEBUG for (i = 0; i < numrecs; i++) { - int error; - error = xfs_btree_check_ptr(cur, cpp, i, level - 1); if (error) { XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); @@ -3283,8 +3297,11 @@ xfs_btree_kill_iroot( #endif xfs_btree_copy_ptrs(cur, pp, cpp, numrecs); - cur->bc_ops->free_block(cur, cbp); - XFS_BTREE_STATS_INC(cur, free); + error = xfs_btree_free_block(cur, cbp); + if (error) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; + } cur->bc_bufs[level - 1] = NULL; be16_add_cpu(&block->bb_level, -1); @@ -3317,14 +3334,12 @@ xfs_btree_kill_root( */ cur->bc_ops->set_root(cur, newroot, -1); - error = cur->bc_ops->free_block(cur, bp); + error = xfs_btree_free_block(cur, bp); if (error) { XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); return error; } - XFS_BTREE_STATS_INC(cur, free); - cur->bc_bufs[level] = NULL; cur->bc_ra[level] = 0; cur->bc_nlevels--; @@ -3830,10 +3845,9 @@ xfs_btree_delrec( } /* Free the deleted block. */ - error = cur->bc_ops->free_block(cur, rbp); + error = xfs_btree_free_block(cur, rbp); if (error) goto error0; - XFS_BTREE_STATS_INC(cur, free); /* * If we joined with the left neighbor, set the buffer in the diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index b14bbd6bb05f..8d4d8bce41bf 100644 --- a/fs/xfs/libxfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h @@ -641,6 +641,22 @@ xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp) */ #define XFS_ATTR_LEAF_MAPSIZE 3 /* how many freespace slots */ +/* + * Entries are packed toward the top as tight as possible. + */ +typedef struct xfs_attr_shortform { + struct xfs_attr_sf_hdr { /* constant-structure header block */ + __be16 totsize; /* total bytes in shortform list */ + __u8 count; /* count of active entries */ + } hdr; + struct xfs_attr_sf_entry { + __uint8_t namelen; /* actual length of name (no NULL) */ + __uint8_t valuelen; /* actual length of value (no NULL) */ + __uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */ + __uint8_t nameval[1]; /* name & value bytes concatenated */ + } list[1]; /* variable sized array */ +} xfs_attr_shortform_t; + typedef struct xfs_attr_leaf_map { /* RLE map of free bytes */ __be16 base; /* base of free region */ __be16 size; /* length of free region */ diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 2fb53a5c0a74..af0f9d171f8a 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -176,7 +176,7 @@ xfs_dir_isempty( { xfs_dir2_sf_hdr_t *sfp; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); if (dp->i_d.di_size == 0) /* might happen during shutdown. */ return 1; if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp)) @@ -231,7 +231,7 @@ xfs_dir_init( struct xfs_da_args *args; int error; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino); if (error) return error; @@ -266,7 +266,7 @@ xfs_dir_createname( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); if (inum) { rval = xfs_dir_ino_validate(tp->t_mountp, inum); if (rval) @@ -364,7 +364,7 @@ xfs_dir_lookup( int v; /* type-checking value */ int lock_mode; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_lookup); /* @@ -443,7 +443,7 @@ xfs_dir_removename( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_remove); args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); @@ -505,7 +505,7 @@ xfs_dir_replace( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); rval = xfs_dir_ino_validate(tp->t_mountp, inum); if (rval) diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index 63ee03db796c..75a557432d0f 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -2235,6 +2235,9 @@ xfs_dir2_node_trim_free( dp = args->dp; tp = args->trans; + + *rvalp = 0; + /* * Read the freespace block. */ @@ -2255,7 +2258,6 @@ xfs_dir2_node_trim_free( */ if (freehdr.nused > 0) { xfs_trans_brelse(tp, bp); - *rvalp = 0; return 0; } /* diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 66d702e6b9ff..22297f9b0fd5 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2403,8 +2403,8 @@ xfs_ialloc_compute_maxlevels( maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; - minleafrecs = mp->m_alloc_mnr[0]; - minnoderecs = mp->m_alloc_mnr[1]; + minleafrecs = mp->m_inobt_mnr[0]; + minnoderecs = mp->m_inobt_mnr[1]; maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; for (level = 1; maxblocks > 1; level++) maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; diff --git a/fs/x |