#include "xfs_inum.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_trans.h"
#include "xfs_dmapi.h"
#include "xfs_bmap_btree.h"
#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
int tag,
struct inode *inode,
struct page *page,
- int mask)
+ unsigned long pgoff)
{
xfs_inode_t *ip;
- vnode_t *vp = vn_from_inode(inode);
+ bhv_vnode_t *vp = vn_from_inode(inode);
loff_t isize = i_size_read(inode);
loff_t offset = page_offset(page);
int delalloc = -1, unmapped = -1, unwritten = -1;
(void *)ip,
(void *)inode,
(void *)page,
- (void *)((unsigned long)mask),
+ (void *)pgoff,
(void *)((unsigned long)((ip->i_d.di_size >> 32) & 0xffffffff)),
(void *)((unsigned long)(ip->i_d.di_size & 0xffffffff)),
(void *)((unsigned long)((isize >> 32) & 0xffffffff)),
(void *)NULL);
}
#else
-#define xfs_page_trace(tag, inode, page, mask)
+#define xfs_page_trace(tag, inode, page, pgoff)
#endif
/*
for (bh = ioend->io_buffer_head; bh; bh = next) {
next = bh->b_private;
- bh->b_end_io(bh, ioend->io_uptodate);
+ bh->b_end_io(bh, !ioend->io_error);
}
-
+ if (unlikely(ioend->io_error))
+ vn_ioerror(ioend->io_vnode, ioend->io_error, __FILE__,__LINE__);
vn_iowake(ioend->io_vnode);
mempool_free(ioend, xfs_ioend_pool);
}
*/
STATIC void
xfs_end_bio_delalloc(
- void *data)
+ struct work_struct *work)
{
- xfs_ioend_t *ioend = data;
+ xfs_ioend_t *ioend =
+ container_of(work, xfs_ioend_t, io_work);
xfs_destroy_ioend(ioend);
}
*/
STATIC void
xfs_end_bio_written(
- void *data)
+ struct work_struct *work)
{
- xfs_ioend_t *ioend = data;
+ xfs_ioend_t *ioend =
+ container_of(work, xfs_ioend_t, io_work);
xfs_destroy_ioend(ioend);
}
*/
STATIC void
xfs_end_bio_unwritten(
- void *data)
+ struct work_struct *work)
{
- xfs_ioend_t *ioend = data;
- vnode_t *vp = ioend->io_vnode;
+ xfs_ioend_t *ioend =
+ container_of(work, xfs_ioend_t, io_work);
+ bhv_vnode_t *vp = ioend->io_vnode;
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
- int error;
- if (ioend->io_uptodate)
- VOP_BMAP(vp, offset, size, BMAPI_UNWRITTEN, NULL, NULL, error);
+ if (likely(!ioend->io_error))
+ bhv_vop_bmap(vp, offset, size, BMAPI_UNWRITTEN, NULL, NULL);
xfs_destroy_ioend(ioend);
}
* all the I/O from calling the completion routine too early.
*/
atomic_set(&ioend->io_remaining, 1);
- ioend->io_uptodate = 1; /* cleared if any I/O fails */
+ ioend->io_error = 0;
ioend->io_list = NULL;
ioend->io_type = type;
ioend->io_vnode = vn_from_inode(inode);
ioend->io_size = 0;
if (type == IOMAP_UNWRITTEN)
- INIT_WORK(&ioend->io_work, xfs_end_bio_unwritten, ioend);
+ INIT_WORK(&ioend->io_work, xfs_end_bio_unwritten);
else if (type == IOMAP_DELAY)
- INIT_WORK(&ioend->io_work, xfs_end_bio_delalloc, ioend);
+ INIT_WORK(&ioend->io_work, xfs_end_bio_delalloc);
else
- INIT_WORK(&ioend->io_work, xfs_end_bio_written, ioend);
+ INIT_WORK(&ioend->io_work, xfs_end_bio_written);
return ioend;
}
xfs_iomap_t *mapp,
int flags)
{
- vnode_t *vp = vn_from_inode(inode);
+ bhv_vnode_t *vp = vn_from_inode(inode);
int error, nmaps = 1;
- VOP_BMAP(vp, offset, count, flags, mapp, &nmaps, error);
+ error = bhv_vop_bmap(vp, offset, count, flags, mapp, &nmaps);
if (!error && (flags & (BMAPI_WRITE|BMAPI_ALLOCATE)))
VMODIFY(vp);
return -error;
if (bio->bi_size)
return 1;
- ASSERT(ioend);
ASSERT(atomic_read(&bio->bi_cnt) >= 1);
+ ioend->io_error = test_bit(BIO_UPTODATE, &bio->bi_flags) ? 0 : error;
/* Toss bio and pass work off to an xfsdatad thread */
- if (!test_bit(BIO_UPTODATE, &bio->bi_flags))
- ioend->io_uptodate = 0;
bio->bi_private = NULL;
bio->bi_end_io = NULL;
-
bio_put(bio);
+
xfs_finish_ioend(ioend);
return 0;
}
pgoff_t end_index, last_index, tlast;
ssize_t size, len;
int flags, err, iomap_valid = 0, uptodate = 1;
- int page_dirty, count = 0, trylock_flag = 0;
+ int page_dirty, count = 0;
+ int trylock = 0;
int all_bh = unmapped;
- /* wait for other IO threads? */
- if (startio && (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking))
- trylock_flag |= BMAPI_TRYLOCK;
+ if (startio) {
+ if (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking)
+ trylock |= BMAPI_TRYLOCK;
+ }
/* Is this page beyond the end of the file? */
offset = i_size_read(inode);
if (buffer_unwritten(bh)) {
type = IOMAP_UNWRITTEN;
- flags = BMAPI_WRITE|BMAPI_IGNSTATE;
+ flags = BMAPI_WRITE | BMAPI_IGNSTATE;
} else if (buffer_delay(bh)) {
type = IOMAP_DELAY;
- flags = BMAPI_ALLOCATE;
- if (!startio)
- flags |= trylock_flag;
+ flags = BMAPI_ALLOCATE | trylock;
} else {
type = IOMAP_NEW;
- flags = BMAPI_WRITE|BMAPI_MMAP;
+ flags = BMAPI_WRITE | BMAPI_MMAP;
}
if (!iomap_valid) {
* then mark the page dirty again and leave the page
* as is.
*/
- if (PFLAGS_TEST_FSTRANS() && need_trans)
+ if (current_test_flags(PF_FSTRANS) && need_trans)
goto out_fail;
/*
return error;
}
+STATIC int
+xfs_vm_writepages(
+ struct address_space *mapping,
+ struct writeback_control *wbc)
+{
+ struct bhv_vnode *vp = vn_from_inode(mapping->host);
+
+ if (VN_TRUNC(vp))
+ VUNTRUNCATE(vp);
+ return generic_writepages(mapping, wbc);
+}
+
/*
* Called to move a page into cleanable state - and from there
* to be released. Possibly the page is already clean. We always
.nr_to_write = 1,
};
- xfs_page_trace(XFS_RELEASEPAGE_ENTER, inode, page, gfp_mask);
+ xfs_page_trace(XFS_RELEASEPAGE_ENTER, inode, page, 0);
if (!page_has_buffers(page))
return 0;
/* If we are already inside a transaction or the thread cannot
* do I/O, we cannot release this page.
*/
- if (PFLAGS_TEST_FSTRANS())
+ if (current_test_flags(PF_FSTRANS))
return 0;
/*
}
STATIC int
-__xfs_get_block(
+__xfs_get_blocks(
struct inode *inode,
sector_t iblock,
- unsigned long blocks,
struct buffer_head *bh_result,
int create,
int direct,
bmapi_flags_t flags)
{
- vnode_t *vp = vn_from_inode(inode);
+ bhv_vnode_t *vp = vn_from_inode(inode);
xfs_iomap_t iomap;
xfs_off_t offset;
ssize_t size;
- int retpbbm = 1;
+ int niomap = 1;
int error;
offset = (xfs_off_t)iblock << inode->i_blkbits;
- if (blocks)
- size = (ssize_t) min_t(xfs_off_t, LONG_MAX,
- (xfs_off_t)blocks << inode->i_blkbits);
- else
- size = 1 << inode->i_blkbits;
-
- VOP_BMAP(vp, offset, size,
- create ? flags : BMAPI_READ, &iomap, &retpbbm, error);
+ ASSERT(bh_result->b_size >= (1 << inode->i_blkbits));
+ size = bh_result->b_size;
+ error = bhv_vop_bmap(vp, offset, size,
+ create ? flags : BMAPI_READ, &iomap, &niomap);
if (error)
return -error;
-
- if (retpbbm == 0)
+ if (niomap == 0)
return 0;
if (iomap.iomap_bn != IOMAP_DADDR_NULL) {
}
}
- /* If this is a realtime file, data might be on a new device */
+ /*
+ * If this is a realtime file, data may be on a different device.
+ * to that pointed to from the buffer_head b_bdev currently.
+ */
bh_result->b_bdev = iomap.iomap_target->bt_bdev;
- /* If we previously allocated a block out beyond eof and
- * we are now coming back to use it then we will need to
- * flag it as new even if it has a disk address.
+ /*
+ * If we previously allocated a block out beyond eof and we are
+ * now coming back to use it then we will need to flag it as new
+ * even if it has a disk address.
*/
if (create &&
((!buffer_mapped(bh_result) && !buffer_uptodate(bh_result)) ||
}
}
- if (blocks) {
+ if (direct || size > (1 << inode->i_blkbits)) {
ASSERT(iomap.iomap_bsize - iomap.iomap_delta > 0);
offset = min_t(xfs_off_t,
- iomap.iomap_bsize - iomap.iomap_delta,
- (xfs_off_t)blocks << inode->i_blkbits);
- bh_result->b_size = (u32) min_t(xfs_off_t, UINT_MAX, offset);
+ iomap.iomap_bsize - iomap.iomap_delta, size);
+ bh_result->b_size = (ssize_t)min_t(xfs_off_t, LONG_MAX, offset);
}
return 0;
}
int
-xfs_get_block(
+xfs_get_blocks(
struct inode *inode,
sector_t iblock,
struct buffer_head *bh_result,
int create)
{
- return __xfs_get_block(inode, iblock,
- bh_result->b_size >> inode->i_blkbits,
+ return __xfs_get_blocks(inode, iblock,
bh_result, create, 0, BMAPI_WRITE);
}
struct buffer_head *bh_result,
int create)
{
- return __xfs_get_block(inode, iblock,
- bh_result->b_size >> inode->i_blkbits,
+ return __xfs_get_blocks(inode, iblock,
bh_result, create, 1, BMAPI_WRITE|BMAPI_DIRECT);
}
ioend->io_size = size;
xfs_finish_ioend(ioend);
} else {
- ASSERT(size >= 0);
xfs_destroy_ioend(ioend);
}
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
- vnode_t *vp = vn_from_inode(inode);
+ bhv_vnode_t *vp = vn_from_inode(inode);
xfs_iomap_t iomap;
int maps = 1;
int error;
ssize_t ret;
- VOP_BMAP(vp, offset, 0, BMAPI_DEVICE, &iomap, &maps, error);
+ error = bhv_vop_bmap(vp, offset, 0, BMAPI_DEVICE, &iomap, &maps);
if (error)
return -error;
iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
- ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
- iomap.iomap_target->bt_bdev,
- iov, offset, nr_segs,
- xfs_get_blocks_direct,
- xfs_end_io_direct);
+ if (rw == WRITE) {
+ ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
+ iomap.iomap_target->bt_bdev,
+ iov, offset, nr_segs,
+ xfs_get_blocks_direct,
+ xfs_end_io_direct);
+ } else {
+ ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
+ iomap.iomap_target->bt_bdev,
+ iov, offset, nr_segs,
+ xfs_get_blocks_direct,
+ xfs_end_io_direct);
+ }
if (unlikely(ret <= 0 && iocb->private))
xfs_destroy_ioend(iocb->private);
unsigned int from,
unsigned int to)
{
- return block_prepare_write(page, from, to, xfs_get_block);
+ return block_prepare_write(page, from, to, xfs_get_blocks);
}
STATIC sector_t
sector_t block)
{
struct inode *inode = (struct inode *)mapping->host;
- vnode_t *vp = vn_from_inode(inode);
- int error;
+ bhv_vnode_t *vp = vn_from_inode(inode);
vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
-
- VOP_RWLOCK(vp, VRWLOCK_READ);
- VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, 0, FI_REMAPF, error);
- VOP_RWUNLOCK(vp, VRWLOCK_READ);
- return generic_block_bmap(mapping, block, xfs_get_block);
+ bhv_vop_rwlock(vp, VRWLOCK_READ);
+ bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF);
+ bhv_vop_rwunlock(vp, VRWLOCK_READ);
+ return generic_block_bmap(mapping, block, xfs_get_blocks);
}
STATIC int
struct file *unused,
struct page *page)
{
- return mpage_readpage(page, xfs_get_block);
+ return mpage_readpage(page, xfs_get_blocks);
}
STATIC int
struct list_head *pages,
unsigned nr_pages)
{
- return mpage_readpages(mapping, pages, nr_pages, xfs_get_block);
+ return mpage_readpages(mapping, pages, nr_pages, xfs_get_blocks);
}
STATIC void
block_invalidatepage(page, offset);
}
-struct address_space_operations xfs_address_space_operations = {
+const struct address_space_operations xfs_address_space_operations = {
.readpage = xfs_vm_readpage,
.readpages = xfs_vm_readpages,
.writepage = xfs_vm_writepage,
+ .writepages = xfs_vm_writepages,
.sync_page = block_sync_page,
.releasepage = xfs_vm_releasepage,
.invalidatepage = xfs_vm_invalidatepage,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff