diff options
Diffstat (limited to 'fs/xfs/xfs_aops.c')
| -rw-r--r-- | fs/xfs/xfs_aops.c | 55 |
1 files changed, 25 insertions, 30 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 596ec71da00e..e51e581454e9 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -28,9 +28,9 @@ #include "xfs_alloc.h" #include "xfs_error.h" #include "xfs_iomap.h" -#include "xfs_vnodeops.h" #include "xfs_trace.h" #include "xfs_bmap.h" +#include "xfs_bmap_util.h" #include <linux/aio.h> #include <linux/gfp.h> #include <linux/mpage.h> @@ -86,14 +86,6 @@ xfs_destroy_ioend( bh->b_end_io(bh, !ioend->io_error); } - if (ioend->io_iocb) { - inode_dio_done(ioend->io_inode); - if (ioend->io_isasync) { - aio_complete(ioend->io_iocb, ioend->io_error ? - ioend->io_error : ioend->io_result, 0); - } - } - mempool_free(ioend, xfs_ioend_pool); } @@ -116,7 +108,7 @@ xfs_setfilesize_trans_alloc( tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS); - error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0); + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_fsyncts, 0, 0); if (error) { xfs_trans_cancel(tp, 0); return error; @@ -281,7 +273,6 @@ 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_isdirect = 0; ioend->io_error = 0; ioend->io_list = NULL; @@ -291,8 +282,6 @@ xfs_alloc_ioend( ioend->io_buffer_tail = NULL; ioend->io_offset = 0; ioend->io_size = 0; - ioend->io_iocb = NULL; - ioend->io_result = 0; ioend->io_append_trans = NULL; INIT_WORK(&ioend->io_work, xfs_end_io); @@ -451,7 +440,7 @@ xfs_start_page_writeback( end_page_writeback(page); } -static inline int bio_add_buffer(struct bio *bio, struct buffer_head *bh) +static inline int xfs_bio_add_buffer(struct bio *bio, struct buffer_head *bh) { return bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh)); } @@ -525,7 +514,7 @@ xfs_submit_ioend( goto retry; } - if (bio_add_buffer(bio, bh) != bh->b_size) { + if (xfs_bio_add_buffer(bio, bh) != bh->b_size) { xfs_submit_ioend_bio(wbc, ioend, bio); goto retry; } @@ -1292,8 +1281,10 @@ __xfs_get_blocks( if (create || !ISUNWRITTEN(&imap)) xfs_map_buffer(inode, bh_result, &imap, offset); if (create && ISUNWRITTEN(&imap)) { - if (direct) + if (direct) { bh_result->b_private = inode; + set_buffer_defer_completion(bh_result); + } set_buffer_unwritten(bh_result); } } @@ -1390,9 +1381,7 @@ xfs_end_io_direct_write( struct kiocb *iocb, loff_t offset, ssize_t size, - void *private, - int ret, - bool is_async) + void *private) { struct xfs_ioend *ioend = iocb->private; @@ -1414,17 +1403,10 @@ 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 = XFS_IO_UNWRITTEN; - if (is_async) { - ioend->io_isasync = 1; - xfs_finish_ioend(ioend); - } else { - xfs_finish_ioend_sync(ioend); - } + xfs_finish_ioend_sync(ioend); } STATIC ssize_t @@ -1516,13 +1498,26 @@ xfs_vm_write_failed( loff_t pos, unsigned len) { - loff_t block_offset = pos & PAGE_MASK; + loff_t block_offset; loff_t block_start; loff_t block_end; loff_t from = pos & (PAGE_CACHE_SIZE - 1); loff_t to = from + len; struct buffer_head *bh, *head; + /* + * The request pos offset might be 32 or 64 bit, this is all fine + * on 64-bit platform. However, for 64-bit pos request on 32-bit + * platform, the high 32-bit will be masked off if we evaluate the + * block_offset via (pos & PAGE_MASK) because the PAGE_MASK is + * 0xfffff000 as an unsigned long, hence the result is incorrect + * which could cause the following ASSERT failed in most cases. + * In order to avoid this, we can evaluate the block_offset of the + * start of the page by using shifts rather than masks the mismatch + * problem. + */ + block_offset = (pos >> PAGE_CACHE_SHIFT) << PAGE_CACHE_SHIFT; + ASSERT(block_offset + from == pos); head = page_buffers(page); @@ -1587,7 +1582,7 @@ xfs_vm_write_begin( unlock_page(page); if (pos + len > i_size_read(inode)) - truncate_pagecache(inode, pos + len, i_size_read(inode)); + truncate_pagecache(inode, i_size_read(inode)); page_cache_release(page); page = NULL; @@ -1623,7 +1618,7 @@ xfs_vm_write_end( loff_t to = pos + len; if (to > isize) { - truncate_pagecache(inode, to, isize); + truncate_pagecache(inode, isize); xfs_vm_kill_delalloc_range(inode, isize, to); } } |