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[XFS] move v_iocount from bhv_vnode to xfs_inode

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struct bhv_vnode is on it's way out, so move the I/O count to the XFS
inode.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29497a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-29 11:46:28 +10:00
committed by Tim Shimmin
parent 09262b4339
commit b677c210ce
8 changed files with 44 additions and 34 deletions
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23
fs/xfs/linux-2.6/xfs_aops.c
View File

@@ -140,9 +140,11 @@ xfs_destroy_ioend(
next = bh->b_private;
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);
if (unlikely(ioend->io_error)) {
vn_ioerror(XFS_I(ioend->io_inode), ioend->io_error,
__FILE__,__LINE__);
}
vn_iowake(XFS_I(ioend->io_inode));
mempool_free(ioend, xfs_ioend_pool);
}
@@ -157,14 +159,10 @@ STATIC void
xfs_setfilesize(
xfs_ioend_t *ioend)
{
xfs_inode_t *ip;
xfs_inode_t *ip = XFS_I(ioend->io_inode);
xfs_fsize_t isize;
xfs_fsize_t bsize;
ip = xfs_vtoi(ioend->io_vnode);
if (!ip)
return;
ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
ASSERT(ioend->io_type != IOMAP_READ);
@@ -228,12 +226,11 @@ xfs_end_bio_unwritten(
{
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;
if (likely(!ioend->io_error)) {
xfs_bmap(xfs_vtoi(vp), offset, size,
xfs_bmap(XFS_I(ioend->io_inode), offset, size,
BMAPI_UNWRITTEN, NULL, NULL);
xfs_setfilesize(ioend);
}
@@ -277,10 +274,10 @@ xfs_alloc_ioend(
ioend->io_error = 0;
ioend->io_list = NULL;
ioend->io_type = type;
ioend->io_vnode = vn_from_inode(inode);
ioend->io_inode = inode;
ioend->io_buffer_head = NULL;
ioend->io_buffer_tail = NULL;
atomic_inc(&ioend->io_vnode->v_iocount);
atomic_inc(&XFS_I(ioend->io_inode)->i_iocount);
ioend->io_offset = 0;
ioend->io_size = 0;
@@ -506,7 +503,7 @@ xfs_cancel_ioend(
unlock_buffer(bh);
} while ((bh = next_bh) != NULL);
vn_iowake(ioend->io_vnode);
vn_iowake(XFS_I(ioend->io_inode));
mempool_free(ioend, xfs_ioend_pool);
} while ((ioend = next) != NULL);
}

2
fs/xfs/linux-2.6/xfs_aops.h
View File

@@ -32,7 +32,7 @@ typedef struct xfs_ioend {
unsigned int io_type; /* delalloc / unwritten */
int io_error; /* I/O error code */
atomic_t io_remaining; /* hold count */
struct bhv_vnode *io_vnode; /* file being written to */
struct inode *io_inode; /* file being written to */
struct buffer_head *io_buffer_head;/* buffer linked list head */
struct buffer_head *io_buffer_tail;/* buffer linked list tail */
size_t io_size; /* size of the extent */

29
fs/xfs/linux-2.6/xfs_vnode.c
View File

@@ -20,6 +20,17 @@
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"
/*
* And this gunk is needed for xfs_mount.h"
*/
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_dmapi.h"
#include "xfs_inum.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
uint64_t vn_generation; /* vnode generation number */
DEFINE_SPINLOCK(vnumber_lock);
@@ -42,19 +53,19 @@ vn_init(void)
void
vn_iowait(
bhv_vnode_t *vp)
xfs_inode_t *ip)
{
wait_queue_head_t *wq = vptosync(vp);
wait_queue_head_t *wq = vptosync(ip);
wait_event(*wq, (atomic_read(&vp->v_iocount) == 0));
wait_event(*wq, (atomic_read(&ip->i_iocount) == 0));
}
void
vn_iowake(
bhv_vnode_t *vp)
xfs_inode_t *ip)
{
if (atomic_dec_and_test(&vp->v_iocount))
wake_up(vptosync(vp));
if (atomic_dec_and_test(&ip->i_iocount))
wake_up(vptosync(ip));
}
/*
@@ -64,12 +75,12 @@ vn_iowake(
*/
void
vn_ioerror(
bhv_vnode_t *vp,
xfs_inode_t *ip,
int error,
char *f,
int l)
{
bhv_vfs_t *vfsp = vfs_from_sb(vp->v_inode.i_sb);
bhv_vfs_t *vfsp = XFS_MTOVFS(ip->i_mount);
if (unlikely(error == -ENODEV))
bhv_vfs_force_shutdown(vfsp, SHUTDOWN_DEVICE_REQ, f, l);
@@ -92,8 +103,6 @@ vn_initialize(
ASSERT(VN_CACHED(vp) == 0);
atomic_set(&vp->v_iocount, 0);
#ifdef XFS_VNODE_TRACE
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */

12
fs/xfs/linux-2.6/xfs_vnode.h
View File

@@ -29,7 +29,6 @@ typedef __u64 bhv_vnumber_t;
typedef struct bhv_vnode {
bhv_vnumber_t v_number; /* in-core vnode number */
atomic_t v_iocount; /* outstanding I/O count */
#ifdef XFS_VNODE_TRACE
struct ktrace *v_trace; /* trace header structure */
#endif
@@ -202,10 +201,13 @@ extern int vn_revalidate(struct bhv_vnode *);
extern int __vn_revalidate(struct bhv_vnode *, bhv_vattr_t *);
extern void vn_revalidate_core(struct bhv_vnode *, bhv_vattr_t *);
extern void vn_iowait(struct bhv_vnode *vp);
extern void vn_iowake(struct bhv_vnode *vp);
extern void vn_ioerror(struct bhv_vnode *vp, int error, char *f, int l);
/*
* Yeah, these don't take vnode anymore at all, all this should be
* cleaned up at some point.
*/
extern void vn_iowait(struct xfs_inode *ip);
extern void vn_iowake(struct xfs_inode *ip);
extern void vn_ioerror(struct xfs_inode *ip, int error, char *f, int l);
static inline int vn_count(struct bhv_vnode *vp)
{