diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 68 | ||||
-rw-r--r-- | fs/xfs/xfs_iomap.c | 20 | ||||
-rw-r--r-- | fs/xfs/xfs_iomap.h | 7 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 7 |
4 files changed, 56 insertions, 46 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 1edd3b694332..9278e9aba9ba 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -558,7 +558,8 @@ xfs_submit_page( int i; BUG_ON(PageWriteback(page)); - set_page_writeback(page); + if (bh_count) + set_page_writeback(page); if (clear_dirty) clear_page_dirty(page); unlock_page(page); @@ -578,9 +579,6 @@ xfs_submit_page( if (probed_page && clear_dirty) wbc->nr_to_write--; /* Wrote an "extra" page */ - } else { - end_page_writeback(page); - wbc->pages_skipped++; /* We didn't write this page */ } } @@ -602,21 +600,26 @@ xfs_convert_page( { struct buffer_head *bh_arr[MAX_BUF_PER_PAGE], *bh, *head; xfs_iomap_t *mp = iomapp, *tmp; - unsigned long end, offset; - pgoff_t end_index; - int i = 0, index = 0; + unsigned long offset, end_offset; + int index = 0; int bbits = inode->i_blkbits; + int len, page_dirty; - end_index = i_size_read(inode) >> PAGE_CACHE_SHIFT; - if (page->index < end_index) { - end = PAGE_CACHE_SIZE; - } else { - end = i_size_read(inode) & (PAGE_CACHE_SIZE-1); - } + end_offset = (i_size_read(inode) & (PAGE_CACHE_SIZE - 1)); + + /* + * page_dirty is initially a count of buffers on the page before + * EOF and is decrememted as we move each into a cleanable state. + */ + len = 1 << inode->i_blkbits; + end_offset = max(end_offset, PAGE_CACHE_SIZE); + end_offset = roundup(end_offset, len); + page_dirty = end_offset / len; + + offset = 0; bh = head = page_buffers(page); do { - offset = i << bbits; - if (offset >= end) + if (offset >= end_offset) break; if (!(PageUptodate(page) || buffer_uptodate(bh))) continue; @@ -625,6 +628,7 @@ xfs_convert_page( if (startio) { lock_buffer(bh); bh_arr[index++] = bh; + page_dirty--; } continue; } @@ -657,10 +661,11 @@ xfs_convert_page( unlock_buffer(bh); mark_buffer_dirty(bh); } - } while (i++, (bh = bh->b_this_page) != head); + page_dirty--; + } while (offset += len, (bh = bh->b_this_page) != head); - if (startio) { - xfs_submit_page(page, wbc, bh_arr, index, 1, index == i); + if (startio && index) { + xfs_submit_page(page, wbc, bh_arr, index, 1, !page_dirty); } else { unlock_page(page); } @@ -743,19 +748,22 @@ xfs_page_state_convert( } } - offset = (loff_t)page->index << PAGE_CACHE_SHIFT; end_offset = min_t(unsigned long long, - offset + PAGE_CACHE_SIZE, i_size_read(inode)); - - bh = head = page_buffers(page); - iomp = NULL; + (loff_t)(page->index + 1) << PAGE_CACHE_SHIFT, offset); + offset = (loff_t)page->index << PAGE_CACHE_SHIFT; /* - * page_dirty is initially a count of buffers on the page and - * is decrememted as we move each into a cleanable state. + * page_dirty is initially a count of buffers on the page before + * EOF and is decrememted as we move each into a cleanable state. */ - len = bh->b_size; - page_dirty = PAGE_CACHE_SIZE / len; + len = 1 << inode->i_blkbits; + p_offset = max(p_offset, PAGE_CACHE_SIZE); + p_offset = roundup(p_offset, len); + page_dirty = p_offset / len; + + iomp = NULL; + p_offset = 0; + bh = head = page_buffers(page); do { if (offset >= end_offset) @@ -877,8 +885,10 @@ xfs_page_state_convert( if (uptodate && bh == head) SetPageUptodate(page); - if (startio) - xfs_submit_page(page, wbc, bh_arr, cnt, 0, 1); + if (startio) { + WARN_ON(page_dirty); + xfs_submit_page(page, wbc, bh_arr, cnt, 0, !page_dirty); + } if (iomp) { offset = (iomp->iomap_offset + iomp->iomap_bsize - 1) >> diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 3826e8f0e28a..b291a2b53579 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -308,7 +308,8 @@ phase2: break; } - error = XFS_IOMAP_WRITE_ALLOCATE(mp, io, &imap, &nimaps); + error = XFS_IOMAP_WRITE_ALLOCATE(mp, io, offset, count, + &imap, &nimaps); break; case BMAPI_UNWRITTEN: lockmode = 0; @@ -746,6 +747,8 @@ write_map: int xfs_iomap_write_allocate( xfs_inode_t *ip, + loff_t offset, + size_t count, xfs_bmbt_irec_t *map, int *retmap) { @@ -770,9 +773,9 @@ xfs_iomap_write_allocate( if ((error = XFS_QM_DQATTACH(mp, ip, 0))) return XFS_ERROR(error); - offset_fsb = map->br_startoff; + offset_fsb = XFS_B_TO_FSBT(mp, offset); count_fsb = map->br_blockcount; - map_start_fsb = offset_fsb; + map_start_fsb = map->br_startoff; XFS_STATS_ADD(xs_xstrat_bytes, XFS_FSB_TO_B(mp, count_fsb)); @@ -868,9 +871,9 @@ xfs_iomap_write_allocate( imap[i].br_startoff, imap[i].br_blockcount,imap[i].br_state); } - if ((map->br_startoff >= imap[i].br_startoff) && - (map->br_startoff < (imap[i].br_startoff + - imap[i].br_blockcount))) { + if ((offset_fsb >= imap[i].br_startoff) && + (offset_fsb < (imap[i].br_startoff + + imap[i].br_blockcount))) { *map = imap[i]; *retmap = 1; XFS_STATS_INC(xs_xstrat_quick); @@ -883,9 +886,8 @@ xfs_iomap_write_allocate( * file, just surrounding data, try again. */ nimaps--; - offset_fsb = imap[nimaps].br_startoff + - imap[nimaps].br_blockcount; - map_start_fsb = offset_fsb; + map_start_fsb = imap[nimaps].br_startoff + + imap[nimaps].br_blockcount; } trans_cancel: diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index 31c91087cb33..287895a3adc1 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -29,9 +29,6 @@ * * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ */ - - - #ifndef __XFS_IOMAP_H__ #define __XFS_IOMAP_H__ @@ -56,7 +53,7 @@ typedef enum { BMAPI_UNWRITTEN = (1 << 3), /* unwritten extents to real extents */ /* modifiers */ BMAPI_IGNSTATE = (1 << 4), /* ignore unwritten state on read */ - BMAPI_DIRECT = (1 << 5), /* direct instead of buffered write */ + BMAPI_DIRECT = (1 << 5), /* direct instead of buffered write */ BMAPI_MMAP = (1 << 6), /* allocate for mmap write */ BMAPI_SYNC = (1 << 7), /* sync write to flush delalloc space */ BMAPI_TRYLOCK = (1 << 8), /* non-blocking request */ @@ -100,7 +97,7 @@ extern int xfs_iomap_write_direct(struct xfs_inode *, loff_t, size_t, int, struct xfs_bmbt_irec *, int *, int); extern int xfs_iomap_write_delay(struct xfs_inode *, loff_t, size_t, int, struct xfs_bmbt_irec *, int *); -extern int xfs_iomap_write_allocate(struct xfs_inode *, +extern int xfs_iomap_write_allocate(struct xfs_inode *, loff_t, size_t, struct xfs_bmbt_irec *, int *); extern int xfs_iomap_write_unwritten(struct xfs_inode *, loff_t, size_t); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 1b968471ec8b..8ffb65dc110d 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -216,7 +216,8 @@ typedef int (*xfs_iomap_write_delay_t)( void *, loff_t, size_t, int, struct xfs_bmbt_irec *, int *); typedef int (*xfs_iomap_write_allocate_t)( - void *, struct xfs_bmbt_irec *, int *); + void *, loff_t, size_t, + struct xfs_bmbt_irec *, int *); typedef int (*xfs_iomap_write_unwritten_t)( void *, loff_t, size_t); typedef uint (*xfs_lck_map_shared_t)(void *); @@ -258,9 +259,9 @@ typedef struct xfs_ioops { #define XFS_IOMAP_WRITE_DELAY(mp, io, offset, count, flags, mval, nmap) \ (*(mp)->m_io_ops.xfs_iomap_write_delay) \ ((io)->io_obj, offset, count, flags, mval, nmap) -#define XFS_IOMAP_WRITE_ALLOCATE(mp, io, mval, nmap) \ +#define XFS_IOMAP_WRITE_ALLOCATE(mp, io, offset, count, mval, nmap) \ (*(mp)->m_io_ops.xfs_iomap_write_allocate) \ - ((io)->io_obj, mval, nmap) + ((io)->io_obj, offset, count, mval, nmap) #define XFS_IOMAP_WRITE_UNWRITTEN(mp, io, offset, count) \ (*(mp)->m_io_ops.xfs_iomap_write_unwritten) \ ((io)->io_obj, offset, count) |