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Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

Browse Source 
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: Fix error return for fallocate() on XFS
  xfs: cleanup dmapi macros in the umount path
  xfs: remove incorrect sparse annotation for xfs_iget_cache_miss
  xfs: kill the STATIC_INLINE macro
  xfs: uninline xfs_get_extsz_hint
  xfs: rename xfs_attr_fetch to xfs_attr_get_int
  xfs: simplify xfs_buf_get / xfs_buf_read interfaces
  xfs: remove IO_ISAIO
  xfs: Wrapped journal record corruption on read at recovery
  xfs: cleanup data end I/O handlers
  xfs: use WRITE_SYNC_PLUG for synchronous writeout
  xfs: reset the i_iolock lock class in the reclaim path
  xfs: I/O completion handlers must use NOFS allocations
  xfs: fix mmap_sem/iolock inversion in xfs_free_eofblocks
  xfs: simplify inode teardown
This commit is contained in:
Linus Torvalds
2009-12-11 15:30:29 -08:00
parent 0e2f7b8376 44a743f687
commit f4d544ee57
30 changed files with 253 additions and 320 deletions
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112
fs/xfs/linux-2.6/xfs_aops.c
View File

@@ -235,71 +235,36 @@ xfs_setfilesize(
}
/*
* Buffered IO write completion for delayed allocate extents.
* IO write completion.
*/
STATIC void
xfs_end_bio_delalloc(
struct work_struct *work)
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
xfs_setfilesize(ioend);
xfs_destroy_ioend(ioend);
}
/*
* Buffered IO write completion for regular, written extents.
*/
STATIC void
xfs_end_bio_written(
struct work_struct *work)
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
xfs_setfilesize(ioend);
xfs_destroy_ioend(ioend);
}
/*
* IO write completion for unwritten extents.
*
* Issue transactions to convert a buffer range from unwritten
* to written extents.
*/
STATIC void
xfs_end_bio_unwritten(
xfs_end_io(
struct work_struct *work)
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
struct xfs_inode *ip = XFS_I(ioend->io_inode);
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
if (likely(!ioend->io_error)) {
if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
int error;
error = xfs_iomap_write_unwritten(ip, offset, size);
if (error)
ioend->io_error = error;
}
xfs_setfilesize(ioend);
/*
* 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 == IOMAP_UNWRITTEN &&
likely(!ioend->io_error && !XFS_FORCED_SHUTDOWN(ip->i_mount))) {
int error;
error = xfs_iomap_write_unwritten(ip, ioend->io_offset,
ioend->io_size);
if (error)
ioend->io_error = error;
}
xfs_destroy_ioend(ioend);
}
/*
* IO read completion for regular, written extents.
*/
STATIC void
xfs_end_bio_read(
struct work_struct *work)
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
/*
* We might have to update the on-disk file size after extending
* writes.
*/
if (ioend->io_type != IOMAP_READ)
xfs_setfilesize(ioend);
xfs_destroy_ioend(ioend);
}
@@ -314,10 +279,10 @@ xfs_finish_ioend(
int wait)
{
if (atomic_dec_and_test(&ioend->io_remaining)) {
struct workqueue_struct *wq = xfsdatad_workqueue;
if (ioend->io_work.func == xfs_end_bio_unwritten)
wq = xfsconvertd_workqueue;
struct workqueue_struct *wq;
wq = (ioend->io_type == IOMAP_UNWRITTEN) ?
xfsconvertd_workqueue : xfsdatad_workqueue;
queue_work(wq, &ioend->io_work);
if (wait)
flush_workqueue(wq);
@@ -355,15 +320,7 @@ xfs_alloc_ioend(
ioend->io_offset = 0;
ioend->io_size = 0;
if (type == IOMAP_UNWRITTEN)
INIT_WORK(&ioend->io_work, xfs_end_bio_unwritten);
else if (type == IOMAP_DELAY)
INIT_WORK(&ioend->io_work, xfs_end_bio_delalloc);
else if (type == IOMAP_READ)
INIT_WORK(&ioend->io_work, xfs_end_bio_read);
else
INIT_WORK(&ioend->io_work, xfs_end_bio_written);
INIT_WORK(&ioend->io_work, xfs_end_io);
return ioend;
}
@@ -380,7 +337,7 @@ xfs_map_blocks(
return -xfs_iomap(XFS_I(inode), offset, count, flags, mapp, &nmaps);
}
STATIC_INLINE int
STATIC int
xfs_iomap_valid(
xfs_iomap_t *iomapp,
loff_t offset)
@@ -412,8 +369,9 @@ xfs_end_bio(
STATIC void
xfs_submit_ioend_bio(
xfs_ioend_t *ioend,
struct bio *bio)
struct writeback_control *wbc,
xfs_ioend_t *ioend,
struct bio *bio)
{
atomic_inc(&ioend->io_remaining);
bio->bi_private = ioend;
@@ -426,7 +384,8 @@ xfs_submit_ioend_bio(
if (xfs_ioend_new_eof(ioend))
xfs_mark_inode_dirty_sync(XFS_I(ioend->io_inode));
submit_bio(WRITE, bio);
submit_bio(wbc->sync_mode == WB_SYNC_ALL ?
WRITE_SYNC_PLUG : WRITE, bio);
ASSERT(!bio_flagged(bio, BIO_EOPNOTSUPP));
bio_put(bio);
}
@@ -505,6 +464,7 @@ static inline int bio_add_buffer(struct bio *bio, struct buffer_head *bh)
*/
STATIC void
xfs_submit_ioend(
struct writeback_control *wbc,
xfs_ioend_t *ioend)
{
xfs_ioend_t *head = ioend;
@@ -533,19 +493,19 @@ xfs_submit_ioend(
retry:
bio = xfs_alloc_ioend_bio(bh);
} else if (bh->b_blocknr != lastblock + 1) {
xfs_submit_ioend_bio(ioend, bio);
xfs_submit_ioend_bio(wbc, ioend, bio);
goto retry;
}
if (bio_add_buffer(bio, bh) != bh->b_size) {
xfs_submit_ioend_bio(ioend, bio);
xfs_submit_ioend_bio(wbc, ioend, bio);
goto retry;
}
lastblock = bh->b_blocknr;
}
if (bio)
xfs_submit_ioend_bio(ioend, bio);
xfs_submit_ioend_bio(wbc, ioend, bio);
xfs_finish_ioend(ioend, 0);
} while ((ioend = next) != NULL);
}
@@ -1191,7 +1151,7 @@ xfs_page_state_convert(
}
if (iohead)
xfs_submit_ioend(iohead);
xfs_submit_ioend(wbc, iohead);
return page_dirty;
@@ -1528,7 +1488,7 @@ xfs_end_io_direct(
* didn't map an unwritten extent so switch it's completion
* handler.
*/
INIT_WORK(&ioend->io_work, xfs_end_bio_written);
ioend->io_type = IOMAP_NEW;
xfs_finish_ioend(ioend, 0);
}

14
fs/xfs/linux-2.6/xfs_buf.c
View File

@@ -149,7 +149,7 @@ page_region_mask(
return mask;
}
STATIC_INLINE void
STATIC void
set_page_region(
struct page *page,
size_t offset,
@@ -161,7 +161,7 @@ set_page_region(
SetPageUptodate(page);
}
STATIC_INLINE int
STATIC int
test_page_region(
struct page *page,
size_t offset,
@@ -582,7 +582,7 @@ found:
* although backing storage may not be.
*/
xfs_buf_t *
xfs_buf_get_flags(
xfs_buf_get(
xfs_buftarg_t *target,/* target for buffer */
xfs_off_t ioff, /* starting offset of range */
size_t isize, /* length of range */
@@ -661,7 +661,7 @@ _xfs_buf_read(
}
xfs_buf_t *
xfs_buf_read_flags(
xfs_buf_read(
xfs_buftarg_t *target,
xfs_off_t ioff,
size_t isize,
@@ -671,7 +671,7 @@ xfs_buf_read_flags(
flags |= XBF_READ;
bp = xfs_buf_get_flags(target, ioff, isize, flags);
bp = xfs_buf_get(target, ioff, isize, flags);
if (bp) {
if (!XFS_BUF_ISDONE(bp)) {
XB_TRACE(bp, "read", (unsigned long)flags);
@@ -718,7 +718,7 @@ xfs_buf_readahead(
return;
flags |= (XBF_TRYLOCK|XBF_ASYNC|XBF_READ_AHEAD);
xfs_buf_read_flags(target, ioff, isize, flags);
xfs_buf_read(target, ioff, isize, flags);
}
xfs_buf_t *
@@ -1113,7 +1113,7 @@ xfs_bdwrite(
xfs_buf_delwri_queue(bp, 1);
}
STATIC_INLINE void
STATIC void
_xfs_buf_ioend(
xfs_buf_t *bp,
int schedule)

9
fs/xfs/linux-2.6/xfs_buf.h
View File

@@ -186,15 +186,10 @@ extern xfs_buf_t *_xfs_buf_find(xfs_buftarg_t *, xfs_off_t, size_t,
#define xfs_incore(buftarg,blkno,len,lockit) \
_xfs_buf_find(buftarg, blkno ,len, lockit, NULL)
extern xfs_buf_t *xfs_buf_get_flags(xfs_buftarg_t *, xfs_off_t, size_t,
extern xfs_buf_t *xfs_buf_get(xfs_buftarg_t *, xfs_off_t, size_t,
xfs_buf_flags_t);
#define xfs_buf_get(target, blkno, len, flags) \
xfs_buf_get_flags((target), (blkno), (len), XBF_LOCK | XBF_MAPPED)
extern xfs_buf_t *xfs_buf_read_flags(xfs_buftarg_t *, xfs_off_t, size_t,
extern xfs_buf_t *xfs_buf_read(xfs_buftarg_t *, xfs_off_t, size_t,
xfs_buf_flags_t);
#define xfs_buf_read(target, blkno, len, flags) \
xfs_buf_read_flags((target), (blkno), (len), XBF_LOCK | XBF_MAPPED)
extern xfs_buf_t *xfs_buf_get_empty(size_t, xfs_buftarg_t *);
extern xfs_buf_t *xfs_buf_get_noaddr(size_t, xfs_buftarg_t *);

4
fs/xfs/linux-2.6/xfs_file.c
View File

@@ -52,7 +52,7 @@ xfs_file_aio_read(
loff_t pos)
{
struct file *file = iocb->ki_filp;
int ioflags = IO_ISAIO;
int ioflags = 0;
BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))
@@ -71,7 +71,7 @@ xfs_file_aio_write(
loff_t pos)
{
struct file *file = iocb->ki_filp;
int ioflags = IO_ISAIO;
int ioflags = 0;
BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))

6
fs/xfs/linux-2.6/xfs_iops.c
View File

@@ -573,8 +573,8 @@ xfs_vn_fallocate(
bf.l_len = len;
xfs_ilock(ip, XFS_IOLOCK_EXCL);
error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
0, XFS_ATTR_NOLOCK);
error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
0, XFS_ATTR_NOLOCK);
if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode))
new_size = offset + len;
@@ -585,7 +585,7 @@ xfs_vn_fallocate(
iattr.ia_valid = ATTR_SIZE;
iattr.ia_size = new_size;
error = xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL);

5
fs/xfs/linux-2.6/xfs_lrw.c
View File

@@ -255,8 +255,6 @@ xfs_read(
iocb->ki_pos = *offset;
ret = generic_file_aio_read(iocb, iovp, segs, *offset);
if (ret == -EIOCBQUEUED && !(ioflags & IO_ISAIO))
ret = wait_on_sync_kiocb(iocb);
if (ret > 0)
XFS_STATS_ADD(xs_read_bytes, ret);
@@ -774,9 +772,6 @@ write_retry:
current->backing_dev_info = NULL;
if (ret == -EIOCBQUEUED && !(ioflags & IO_ISAIO))
ret = wait_on_sync_kiocb(iocb);
isize = i_size_read(inode);
if (unlikely(ret < 0 && ret != -EFAULT && *offset > isize))
*offset = isize;

71
fs/xfs/linux-2.6/xfs_super.c
View File

@@ -930,13 +930,39 @@ xfs_fs_alloc_inode(
*/
STATIC void
xfs_fs_destroy_inode(
struct inode *inode)
struct inode *inode)
{
xfs_inode_t *ip = XFS_I(inode);
struct xfs_inode *ip = XFS_I(inode);
xfs_itrace_entry(ip);
XFS_STATS_INC(vn_reclaim);
if (xfs_reclaim(ip))
panic("%s: cannot reclaim 0x%p\n", __func__, inode);
/* bad inode, get out here ASAP */
if (is_bad_inode(inode))
goto out_reclaim;
xfs_ioend_wait(ip);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
/*
* We should never get here with one of the reclaim flags already set.
*/
ASSERT_ALWAYS(!xfs_iflags_test(ip, XFS_IRECLAIMABLE));
ASSERT_ALWAYS(!xfs_iflags_test(ip, XFS_IRECLAIM));
/*
* If we have nothing to flush with this inode then complete the
* teardown now, otherwise delay the flush operation.
*/
if (!xfs_inode_clean(ip)) {
xfs_inode_set_reclaim_tag(ip);
return;
}
out_reclaim:
xfs_ireclaim(ip);
}
/*
@@ -973,7 +999,6 @@ xfs_fs_inode_init_once(
mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
"xfsino", ip->i_ino);
mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
}
/*
@@ -1075,6 +1100,20 @@ xfs_fs_clear_inode(
XFS_STATS_INC(vn_remove);
XFS_STATS_DEC(vn_active);
/*
* The iolock is used by the file system to coordinate reads,
* writes, and block truncates. Up to this point the lock
* protected concurrent accesses by users of the inode. But
* from here forward we're doing some final processing of the
* inode because we're done with it, and although we reuse the
* iolock for protection it is really a distinct lock class
* (in the lockdep sense) from before. To keep lockdep happy
* (and basically indicate what we are doing), we explicitly
* re-init the iolock here.
*/
ASSERT(!rwsem_is_locked(&ip->i_iolock.mr_lock));
mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
xfs_inactive(ip);
}
@@ -1092,8 +1131,6 @@ xfs_fs_put_super(
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
struct xfs_inode *rip = mp->m_rootip;
int unmount_event_flags = 0;
xfs_syncd_stop(mp);
@@ -1109,20 +1146,7 @@ xfs_fs_put_super(
xfs_sync_attr(mp, 0);
}
#ifdef HAVE_DMAPI
if (mp->m_flags & XFS_MOUNT_DMAPI) {
unmount_event_flags =
(mp->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ?
0 : DM_FLAGS_UNWANTED;
/*
* Ignore error from dmapi here, first unmount is not allowed
* to fail anyway, and second we wouldn't want to fail a
* unmount because of dmapi.
*/
XFS_SEND_PREUNMOUNT(mp, rip, DM_RIGHT_NULL, rip, DM_RIGHT_NULL,
NULL, NULL, 0, 0, unmount_event_flags);
}
#endif
XFS_SEND_PREUNMOUNT(mp);
/*
* Blow away any referenced inode in the filestreams cache.
@@ -1133,10 +1157,7 @@ xfs_fs_put_super(
XFS_bflush(mp->m_ddev_targp);
if (mp->m_flags & XFS_MOUNT_DMAPI) {
XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
unmount_event_flags);
}
XFS_SEND_UNMOUNT(mp);
xfs_unmountfs(mp);
xfs_freesb(mp);

15
fs/xfs/linux-2.6/xfs_sync.c
View File

@@ -663,10 +663,9 @@ xfs_syncd_stop(
kthread_stop(mp->m_sync_task);
}
int
STATIC int
xfs_reclaim_inode(
xfs_inode_t *ip,
int locked,
int sync_mode)
{
xfs_perag_t *pag = xfs_get_perag(ip->i_mount, ip->i_ino);
@@ -682,10 +681,6 @@ xfs_reclaim_inode(
!__xfs_iflags_test(ip, XFS_IRECLAIMABLE)) {
spin_unlock(&ip->i_flags_lock);
write_unlock(&pag->pag_ici_lock);
if (locked) {
xfs_ifunlock(ip);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
return -EAGAIN;
}
__xfs_iflags_set(ip, XFS_IRECLAIM);
@@ -704,10 +699,8 @@ xfs_reclaim_inode(
* We get the flush lock regardless, though, just to make sure
* we don't free it while it is being flushed.
*/
if (!locked) {
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_iflock(ip);
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_iflock(ip);
/*
* In the case of a forced shutdown we rely on xfs_iflush() to
@@ -778,7 +771,7 @@ xfs_reclaim_inode_now(
}
read_unlock(&pag->pag_ici_lock);
return xfs_reclaim_inode(ip, 0, flags);
return xfs_reclaim_inode(ip, flags);
}
int

1
fs/xfs/linux-2.6/xfs_sync.h
View File

@@ -44,7 +44,6 @@ void xfs_quiesce_attr(struct xfs_mount *mp);
void xfs_flush_inodes(struct xfs_inode *ip);
int xfs_reclaim_inode(struct xfs_inode *ip, int locked, int sync_mode);
int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);

1
fs/xfs/linux-2.6/xfs_vnode.h
View File

@@ -36,7 +36,6 @@ struct attrlist_cursor_kern;
/*
* Flags for read/write calls - same values as IRIX
*/
#define IO_ISAIO 0x00001 /* don't wait for completion */
#define IO_ISDIRECT 0x00004 /* bypass page cache */
#define IO_INVIS 0x00020 /* don't update inode timestamps */