diff options
Diffstat (limited to 'fs/xfs')
51 files changed, 2080 insertions, 2367 deletions
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index bdd9cb54d63..ce84ffd0264 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -452,7 +452,7 @@ xfs_alloc_read_agfl( if (error) return error; ASSERT(!xfs_buf_geterror(bp)); - XFS_BUF_SET_VTYPE_REF(bp, B_FS_AGFL, XFS_AGFL_REF); + xfs_buf_set_ref(bp, XFS_AGFL_REF); *bpp = bp; return 0; } @@ -2139,7 +2139,7 @@ xfs_read_agf( xfs_trans_brelse(tp, *bpp); return XFS_ERROR(EFSCORRUPTED); } - XFS_BUF_SET_VTYPE_REF(*bpp, B_FS_AGF, XFS_AGF_REF); + xfs_buf_set_ref(*bpp, XFS_AGF_REF); return 0; } diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 8c37dde4c52..574d4ee9b62 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -38,40 +38,6 @@ #include <linux/pagevec.h> #include <linux/writeback.h> - -/* - * Prime number of hash buckets since address is used as the key. - */ -#define NVSYNC 37 -#define to_ioend_wq(v) (&xfs_ioend_wq[((unsigned long)v) % NVSYNC]) -static wait_queue_head_t xfs_ioend_wq[NVSYNC]; - -void __init -xfs_ioend_init(void) -{ - int i; - - for (i = 0; i < NVSYNC; i++) - init_waitqueue_head(&xfs_ioend_wq[i]); -} - -void -xfs_ioend_wait( - xfs_inode_t *ip) -{ - wait_queue_head_t *wq = to_ioend_wq(ip); - - wait_event(*wq, (atomic_read(&ip->i_iocount) == 0)); -} - -STATIC void -xfs_ioend_wake( - xfs_inode_t *ip) -{ - if (atomic_dec_and_test(&ip->i_iocount)) - wake_up(to_ioend_wq(ip)); -} - void xfs_count_page_state( struct page *page, @@ -115,25 +81,20 @@ xfs_destroy_ioend( xfs_ioend_t *ioend) { struct buffer_head *bh, *next; - struct xfs_inode *ip = XFS_I(ioend->io_inode); for (bh = ioend->io_buffer_head; bh; bh = next) { next = bh->b_private; bh->b_end_io(bh, !ioend->io_error); } - /* - * Volume managers supporting multiple paths can send back ENODEV - * when the final path disappears. In this case continuing to fill - * the page cache with dirty data which cannot be written out is - * evil, so prevent that. - */ - if (unlikely(ioend->io_error == -ENODEV)) { - xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, - __FILE__, __LINE__); + if (ioend->io_iocb) { + if (ioend->io_isasync) { + aio_complete(ioend->io_iocb, ioend->io_error ? + ioend->io_error : ioend->io_result, 0); + } + inode_dio_done(ioend->io_inode); } - xfs_ioend_wake(ip); mempool_free(ioend, xfs_ioend_pool); } @@ -156,6 +117,15 @@ xfs_ioend_new_eof( } /* + * Fast and loose check if this write could update the on-disk inode size. + */ +static inline bool xfs_ioend_is_append(struct xfs_ioend *ioend) +{ + return ioend->io_offset + ioend->io_size > + XFS_I(ioend->io_inode)->i_d.di_size; +} + +/* * Update on-disk file size now that data has been written to disk. The * current in-memory file size is i_size. If a write is beyond eof i_new_size * will be the intended file size until i_size is updated. If this write does @@ -173,9 +143,6 @@ xfs_setfilesize( xfs_inode_t *ip = XFS_I(ioend->io_inode); xfs_fsize_t isize; - if (unlikely(ioend->io_error)) - return 0; - if (!xfs_ilock_nowait(ip, XFS_ILOCK_EXCL)) return EAGAIN; @@ -192,6 +159,9 @@ xfs_setfilesize( /* * Schedule IO completion handling on the final put of an ioend. + * + * If there is no work to do we might as well call it a day and free the + * ioend right now. */ STATIC void xfs_finish_ioend( @@ -200,8 +170,10 @@ xfs_finish_ioend( if (atomic_dec_and_test(&ioend->io_remaining)) { if (ioend->io_type == IO_UNWRITTEN) queue_work(xfsconvertd_workqueue, &ioend->io_work); - else + else if (xfs_ioend_is_append(ioend)) queue_work(xfsdatad_workqueue, &ioend->io_work); + else + xfs_destroy_ioend(ioend); } } @@ -216,17 +188,24 @@ xfs_end_io( struct xfs_inode *ip = XFS_I(ioend->io_inode); int error = 0; + if (XFS_FORCED_SHUTDOWN(ip->i_mount)) { + ioend->io_error = -EIO; + goto done; + } + if (ioend->io_error) + goto done; + /* * For unwritten extents we need to issue transactions to convert a * range to normal written extens after the data I/O has finished. */ - if (ioend->io_type == IO_UNWRITTEN && - likely(!ioend->io_error && !XFS_FORCED_SHUTDOWN(ip->i_mount))) { - + if (ioend->io_type == IO_UNWRITTEN) { error = xfs_iomap_write_unwritten(ip, ioend->io_offset, ioend->io_size); - if (error) - ioend->io_error = error; + if (error) { + ioend->io_error = -error; + goto done; + } } /* @@ -236,6 +215,7 @@ xfs_end_io( error = xfs_setfilesize(ioend); ASSERT(!error || error == EAGAIN); +done: /* * If we didn't complete processing of the ioend, requeue it to the * tail of the workqueue for another attempt later. Otherwise destroy @@ -247,8 +227,6 @@ xfs_end_io( /* ensure we don't spin on blocked ioends */ delay(1); } else { - if (ioend->io_iocb) - aio_complete(ioend->io_iocb, ioend->io_result, 0); xfs_destroy_ioend(ioend); } } @@ -285,13 +263,13 @@ xfs_alloc_ioend( * all the I/O from calling the completion routine too early. */ atomic_set(&ioend->io_remaining, 1); + ioend->io_isasync = 0; ioend->io_error = 0; ioend->io_list = NULL; ioend->io_type = type; ioend->io_inode = inode; ioend->io_buffer_head = NULL; ioend->io_buffer_tail = NULL; - atomic_inc(&XFS_I(ioend->io_inode)->i_iocount); ioend->io_offset = 0; ioend->io_size = 0; ioend->io_iocb = NULL; @@ -337,8 +315,8 @@ xfs_map_blocks( count = mp->m_maxioffset - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); offset_fsb = XFS_B_TO_FSBT(mp, offset); - error = xfs_bmapi(NULL, ip, offset_fsb, end_fsb - offset_fsb, - bmapi_flags, NULL, 0, imap, &nimaps, NULL); + error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, + imap, &nimaps, bmapi_flags); xfs_iunlock(ip, XFS_ILOCK_SHARED); if (error) @@ -551,7 +529,6 @@ xfs_cancel_ioend( unlock_buffer(bh); } while ((bh = next_bh) != NULL); - xfs_ioend_wake(XFS_I(ioend->io_inode)); mempool_free(ioend, xfs_ioend_pool); } while ((ioend = next) != NULL); } @@ -925,11 +902,11 @@ xfs_vm_writepage( * random callers for direct reclaim or memcg reclaim. We explicitly * allow reclaim from kswapd as the stack usage there is relatively low. * - * This should really be done by the core VM, but until that happens - * filesystems like XFS, btrfs and ext4 have to take care of this - * by themselves. + * This should never happen except in the case of a VM regression so + * warn about it. */ - if ((current->flags & (PF_MEMALLOC|PF_KSWAPD)) == PF_MEMALLOC) + if (WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) == + PF_MEMALLOC)) goto redirty; /* @@ -1161,8 +1138,8 @@ __xfs_get_blocks( end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size); offset_fsb = XFS_B_TO_FSBT(mp, offset); - error = xfs_bmapi(NULL, ip, offset_fsb, end_fsb - offset_fsb, - XFS_BMAPI_ENTIRE, NULL, 0, &imap, &nimaps, NULL); + error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, + &imap, &nimaps, XFS_BMAPI_ENTIRE); if (error) goto out_unlock; @@ -1300,7 +1277,6 @@ xfs_end_io_direct_write( bool is_async) { struct xfs_ioend *ioend = iocb->private; - struct inode *inode = ioend->io_inode; /* * blockdev_direct_IO can return an error even after the I/O @@ -1311,28 +1287,17 @@ xfs_end_io_direct_write( ioend->io_offset = offset; ioend->io_size = size; + ioend->io_iocb = iocb; + ioend->io_result = ret; if (private && size > 0) ioend->io_type = IO_UNWRITTEN; if (is_async) { - /* - * If we are converting an unwritten extent we need to delay - * the AIO completion until after the unwrittent extent - * conversion has completed, otherwise do it ASAP. - */ - if (ioend->io_type == IO_UNWRITTEN) { - ioend->io_iocb = iocb; - ioend->io_result = ret; - } else { - aio_complete(iocb, ret, 0); - } + ioend->io_isasync = 1; xfs_finish_ioend(ioend); } else { xfs_finish_ioend_sync(ioend); } - - /* XXX: probably should move into the real I/O completion handler */ - inode_dio_done(inode); } STATIC ssize_t diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h index 71f721e1a71..116dd5c3703 100644 --- a/fs/xfs/xfs_aops.h +++ b/fs/xfs/xfs_aops.h @@ -47,6 +47,7 @@ typedef struct xfs_ioend { unsigned int io_type; /* delalloc / unwritten */ int io_error; /* I/O error code */ atomic_t io_remaining; /* hold count */ + unsigned int io_isasync : 1; /* needs aio_complete */ struct inode *io_inode; /* file being written to */ struct buffer_head *io_buffer_head;/* buffer linked list head */ struct buffer_head *io_buffer_tail;/* buffer linked list tail */ @@ -60,9 +61,6 @@ typedef struct xfs_ioend { extern const struct address_space_operations xfs_address_space_operations; extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); -extern void xfs_ioend_init(void); -extern void xfs_ioend_wait(struct xfs_inode *); - extern void xfs_count_page_state(struct page *, int *, int *); #endif /* __XFS_AOPS_H__ */ diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 160bcdc34a6..1e5d97f86ea 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -319,7 +319,7 @@ xfs_attr_set_int( return (error); } - xfs_trans_ijoin(args.trans, dp); + xfs_trans_ijoin(args.trans, dp, 0); /* * If the attribute list is non-existent or a shortform list, @@ -389,7 +389,7 @@ xfs_attr_set_int( * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args.trans, dp); + xfs_trans_ijoin(args.trans, dp, 0); /* * Commit the leaf transformation. We'll need another (linked) @@ -537,7 +537,7 @@ xfs_attr_remove_int(xfs_inode_t *dp, struct xfs_name *name, int flags) * No need to make quota reservations here. We expect to release some * blocks not allocate in the common case. */ - xfs_trans_ijoin(args.trans, dp); + xfs_trans_ijoin(args.trans, dp, 0); /* * Decide on what work routines to call based on the inode size. @@ -809,7 +809,7 @@ xfs_attr_inactive(xfs_inode_t *dp) * No need to make quota reservations here. We expect to release some * blocks, not allocate, in the common case. */ - xfs_trans_ijoin(trans, dp); + xfs_trans_ijoin(trans, dp, 0); /* * Decide on what work routines to call based on the inode size. @@ -823,18 +823,6 @@ xfs_attr_inactive(xfs_inode_t *dp) if (error) goto out; - /* - * Signal synchronous inactive transactions unless this is a - * synchronous mount filesystem in which case we know that we're here - * because we've been called out of xfs_inactive which means that the - * last reference is gone and the unlink transaction has already hit - * the disk so async inactive transactions are safe. - */ - if (!(mp->m_flags & XFS_MOUNT_WSYNC)) { - if (dp->i_d.di_anextents > 0) - xfs_trans_set_sync(trans); - } - error = xfs_itruncate_extents(&trans, dp, XFS_ATTR_FORK, 0); if (error) goto out; @@ -973,7 +961,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); /* * Commit the current trans (including the inode) and start @@ -1075,7 +1063,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); } else xfs_da_buf_done(bp); @@ -1149,7 +1137,7 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); } else xfs_da_buf_done(bp); return(0); @@ -1303,7 +1291,7 @@ restart: * in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); /* * Commit the node conversion and start the next @@ -1340,7 +1328,7 @@ restart: * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); } else { /* * Addition succeeded, update Btree hashvals. @@ -1452,7 +1440,7 @@ restart: * in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); } /* @@ -1584,7 +1572,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); /* * Commit the Btree join operation and start a new trans. @@ -1635,7 +1623,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) * in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); } else xfs_da_brelse(args->trans, bp); } @@ -1975,10 +1963,9 @@ xfs_attr_rmtval_get(xfs_da_args_t *args) lblkno = args->rmtblkno; while (valuelen > 0) { nmap = ATTR_RMTVALUE_MAPSIZE; - error = xfs_bmapi(args->trans, args->dp, (xfs_fileoff_t)lblkno, - args->rmtblkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - NULL, 0, map, &nmap, NULL); + error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, + args->rmtblkcnt, map, &nmap, + XFS_BMAPI_ATTRFORK); if (error) return(error); ASSERT(nmap >= 1); @@ -2052,10 +2039,9 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) */ xfs_bmap_init(args->flist, args->firstblock); nmap = 1; - error = xfs_bmapi(args->trans, dp, (xfs_fileoff_t)lblkno, + error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, blkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA | - XFS_BMAPI_WRITE, + XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, args->firstblock, args->total, &map, &nmap, args->flist); if (!error) { @@ -2074,7 +2060,7 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, dp); + xfs_trans_ijoin(args->trans, dp, 0); ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && @@ -2104,14 +2090,11 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) */ xfs_bmap_init(args->flist, args->firstblock); nmap = 1; - error = xfs_bmapi(NULL, dp, (xfs_fileoff_t)lblkno, - args->rmtblkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - args->firstblock, 0, &map, &nmap, - NULL); - if (error) { + error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, + args->rmtblkcnt, &map, &nmap, + XFS_BMAPI_ATTRFORK); + if (error) return(error); - } ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -2121,16 +2104,17 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) bp = xfs_buf_get(mp->m_ddev_targp, dblkno, blkcnt, XBF_LOCK | XBF_DONT_BLOCK); - ASSERT(!xfs_buf_geterror(bp)); - + if (!bp) + return ENOMEM; tmp = (valuelen < XFS_BUF_SIZE(bp)) ? valuelen : XFS_BUF_SIZE(bp); xfs_buf_iomove(bp, 0, tmp, src, XBRW_WRITE); if (tmp < XFS_BUF_SIZE(bp)) xfs_buf_zero(bp, tmp, XFS_BUF_SIZE(bp) - tmp); - if ((error = xfs_bwrite(mp, bp))) {/* GROT: NOTE: synchronous write */ - return (error); - } + error = xfs_bwrite(bp); /* GROT: NOTE: synchronous write */ + xfs_buf_relse(bp); + if (error) + return error; src += tmp; valuelen -= tmp; @@ -2166,16 +2150,12 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) /* * Try to remember where we decided to put the value. */ - xfs_bmap_init(args->flist, args->firstblock); nmap = 1; - error = xfs_bmapi(NULL, args->dp, (xfs_fileoff_t)lblkno, - args->rmtblkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - args->firstblock, 0, &map, &nmap, - args->flist); - if (error) { + error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, + args->rmtblkcnt, &map, &nmap, + XFS_BMAPI_ATTRFORK); + if (error) return(error); - } ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -2188,8 +2168,7 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) */ bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK); if (bp) { - XFS_BUF_STALE(bp); - XFS_BUF_UNDELAYWRITE(bp); + xfs_buf_stale(bp); xfs_buf_relse(bp); bp = NULL; } @@ -2227,7 +2206,7 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) * a new one. We need the inode to be in all transactions. */ if (committed) - xfs_trans_ijoin(args->trans, args->dp); + xfs_trans_ijoin(args->trans, args->dp, 0); /* * Close out trans and start the next one in the chain. diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 8fad9602542..d4906e7c978 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -2926,9 +2926,8 @@ xfs_attr_leaf_freextent(xfs_trans_t **trans, xfs_inode_t *dp, * Try to remember where we decided to put the value. */ nmap = 1; - error = xfs_bmapi(*trans, dp, (xfs_fileoff_t)tblkno, tblkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - NULL, 0, &map, &nmap, NULL); + error = xfs_bmapi_read(dp, (xfs_fileoff_t)tblkno, tblkcnt, + &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) { return(error); } @@ -2948,6 +2947,8 @@ xfs_attr_leaf_freextent(xfs_trans_t **trans, xfs_inode_t *dp, bp = xfs_trans_get_buf(*trans, dp->i_mount->m_ddev_targp, dblkno, dblkcnt, XBF_LOCK); + if (!bp) + return ENOMEM; xfs_trans_binval(*trans, bp); /* * Roll to next transaction. diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 452a291383a..c68baeb0974 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -50,17 +50,22 @@ #include "xfs_trace.h" -#ifdef DEBUG -STATIC void -xfs_bmap_check_leaf_extents(xfs_btree_cur_t *cur, xfs_inode_t *ip, int whichfork); -#endif - kmem_zone_t *xfs_bmap_free_item_zone; /* * Prototypes for internal bmap routines. */ +#ifdef DEBUG +STATIC void +xfs_bmap_check_leaf_extents( + struct xfs_btree_cur *cur, + struct xfs_inode *ip, + int whichfork); +#else +#define xfs_bmap_check_leaf_extents(cur, ip, whichfork) do { } while (0) +#endif + /* * Called from xfs_bmap_add_attrfork to handle extents format files. @@ -85,58 +90,6 @@ xfs_bmap_add_attrfork_local( int *flags); /* inode logging flags */ /* - * Called by xfs_bmap_add_extent to handle cases converting a delayed - * allocation to a real allocation. - */ -STATIC int /* error */ -xfs_bmap_add_extent_delay_real( - struct xfs_trans *tp, /* transaction pointer */ - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t *idx, /* extent number to update/insert */ - xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ - xfs_bmbt_irec_t *new, /* new data to add to file extents */ - xfs_filblks_t *dnew, /* new delayed-alloc indirect blocks */ - xfs_fsblock_t *first, /* pointer to firstblock variable */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ - int *logflagsp); /* inode logging flags */ - -/* - * Called by xfs_bmap_add_extent to handle cases converting a hole - * to a delayed allocation. - */ -STATIC int /* error */ -xfs_bmap_add_extent_hole_delay( - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t *idx, /* extent number to update/insert */ - xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp); /* inode logging flags */ - -/* - * Called by xfs_bmap_add_extent to handle cases converting a hole - * to a real allocation. - */ -STATIC int /* error */ -xfs_bmap_add_extent_hole_real( - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t *idx, /* extent number to update/insert */ - xfs_btree_cur_t *cur, /* if null, not a btree */ - xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp, /* inode logging flags */ - int whichfork); /* data or attr fork */ - -/* - * Called by xfs_bmap_add_extent to handle cases converting an unwritten - * allocation to a real allocation or vice versa. - */ -STATIC int /* error */ -xfs_bmap_add_extent_unwritten_real( - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t *idx, /* extent number to update/insert */ - xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ - xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp); /* inode logging flags */ - -/* * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. * It figures out where to ask the underlying allocator to put the new extent. */ @@ -215,19 +168,6 @@ xfs_bmap_search_extents( xfs_bmbt_irec_t *prevp); /* out: previous extent entry found */ /* - * Check the last inode extent to determine whether this allocation will result - * in blocks being allocated at the end of the file. When we allocate new data - * blocks at the end of the file which do not start at the previous data block, - * we will try to align the new blocks at stripe unit boundaries. - */ -STATIC int /* error */ -xfs_bmap_isaeof( - xfs_inode_t *ip, /* incore inode pointer */ - xfs_fileoff_t off, /* file offset in fsblocks */ - int whichfork, /* data or attribute fork */ - char *aeof); /* return value */ - -/* * Compute the worst-case number of indirect blocks that will be used * for ip's delayed extent of length "len". */ @@ -431,188 +371,13 @@ xfs_bmap_add_attrfork_local( } /* - * Called by xfs_bmapi to update file extent records and the btree - * after allocating space (or doing a delayed allocation). - */ -STATIC int /* error */ -xfs_bmap_add_extent( - struct xfs_trans *tp, /* transaction pointer */ - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t *idx, /* extent number to update/insert */ - xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ - xfs_bmbt_irec_t *new, /* new data to add to file extents */ - xfs_fsblock_t *first, /* pointer to firstblock variable */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ - int *logflagsp, /* inode logging flags */ - int whichfork) /* data or attr fork */ -{ - xfs_btree_cur_t *cur; /* btree cursor or null */ - xfs_filblks_t da_new; /* new count del alloc blocks used */ - xfs_filblks_t da_old; /* old count del alloc blocks used */ - int error; /* error return value */ - xfs_ifork_t *ifp; /* inode fork ptr */ - int logflags; /* returned value */ - xfs_extnum_t nextents; /* number of extents in file now */ - - X |