From b677c210cec0d6755335ffc01691982c417dd39e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 29 Aug 2007 11:46:28 +1000 Subject: [PATCH] [XFS] move v_iocount from bhv_vnode to xfs_inode 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 Signed-off-by: David Chinner Signed-off-by: Tim Shimmin --- fs/xfs/linux-2.6/xfs_aops.c | 23 ++++++++++------------- fs/xfs/linux-2.6/xfs_aops.h | 2 +- fs/xfs/linux-2.6/xfs_vnode.c | 29 +++++++++++++++++++---------- fs/xfs/linux-2.6/xfs_vnode.h | 12 +++++++----- fs/xfs/xfs_inode.c | 3 ++- fs/xfs/xfs_inode.h | 1 + fs/xfs/xfs_vfsops.c | 2 +- fs/xfs/xfs_vnodeops.c | 6 +++--- 8 files changed, 44 insertions(+), 34 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 22a40bd0cce2..1dd198ec2890 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -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); } diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h index 2244e516b66a..3ba0631a3818 100644 --- a/fs/xfs/linux-2.6/xfs_aops.h +++ b/fs/xfs/linux-2.6/xfs_aops.h @@ -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 */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index e6c559aee446..bde8d2e7f559 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -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 */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index c8af208a73dc..321346d95267 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -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) { diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index c07553bbcdb4..0349e714dc30 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -864,6 +864,7 @@ xfs_iread( ip = kmem_zone_zalloc(xfs_inode_zone, KM_SLEEP); ip->i_ino = ino; ip->i_mount = mp; + atomic_set(&ip->i_iocount, 0); spin_lock_init(&ip->i_flags_lock); /* @@ -1455,7 +1456,7 @@ xfs_itruncate_start( mp = ip->i_mount; vp = XFS_ITOV(ip); - vn_iowait(vp); /* wait for the completion of any pending DIOs */ + vn_iowait(ip); /* wait for the completion of any pending DIOs */ /* * Call toss_pages or flushinval_pages to get rid of pages diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index ea1e24effd49..c8bb1a818a52 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -299,6 +299,7 @@ typedef struct xfs_inode { struct hlist_node i_cnode; /* cluster link node */ xfs_fsize_t i_size; /* in-memory size */ + atomic_t i_iocount; /* outstanding I/O count */ /* Trace buffers per inode. */ #ifdef XFS_BMAP_TRACE struct ktrace *i_xtrace; /* inode extent list trace */ diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index a9cebcb0b33b..3fe64a3a77a9 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -1209,7 +1209,7 @@ xfs_sync_inodes( * place after this point */ if (flags & SYNC_IOWAIT) - vn_iowait(vp); + vn_iowait(ip); xfs_ilock(ip, XFS_ILOCK_SHARED); } diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 8ed7af3c5d63..e7ef78fb4da3 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -598,7 +598,7 @@ xfs_setattr( } /* wait for all I/O to complete */ - vn_iowait(vp); + vn_iowait(ip); if (!code) code = xfs_itruncate_data(ip, vap->va_size); @@ -3683,7 +3683,7 @@ xfs_reclaim( return 0; } - vn_iowait(vp); + vn_iowait(ip); ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0); @@ -4189,7 +4189,7 @@ xfs_free_file_space( need_iolock = 0; if (need_iolock) { xfs_ilock(ip, XFS_IOLOCK_EXCL); - vn_iowait(vp); /* wait for the completion of any pending DIOs */ + vn_iowait(ip); /* wait for the completion of any pending DIOs */ } rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, NBPP);