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-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c114
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c14
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h9
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c6
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.c5
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c71
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c15
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.h1
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h1
10 files changed, 101 insertions, 139 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 70f989895d15..87813e405cef 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -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);
- }
- 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);
+ /*
+ * 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;
+ }
+ /*
+ * 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);
}
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 965df1227d64..4ddc973aea7a 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -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)
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 9b4d666ad31f..5f07dd91c5fa 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -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 *);
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index eff61e2732af..e4caeb28ce2e 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -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))
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index cd42ef78f6b5..1f3b4b8f7dd4 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -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);
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 072050f8d346..78dbfcd5eec2 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -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;
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 18a4b8e11df2..1bfb0e980193 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -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);
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 961df0a22c78..d895a3a960f5 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -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
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 27920eb7a820..a500b4d91835 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -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);
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index ad7fbead4c97..00cabf5354d2 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 11:00:09 +0000