diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_lrw.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.c | 64 |
1 files changed, 25 insertions, 39 deletions
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 94941da6c4da..2dc979e3e969 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -48,6 +48,7 @@ #include "xfs_buf_item.h" #include "xfs_utils.h" #include "xfs_iomap.h" +#include "xfs_vnodeops.h" #include <linux/capability.h> #include <linux/writeback.h> @@ -180,27 +181,22 @@ unlock: ssize_t /* bytes read, or (-) error */ xfs_read( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct kiocb *iocb, const struct iovec *iovp, unsigned int segs, loff_t *offset, - int ioflags, - cred_t *credp) + int ioflags) { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + bhv_vnode_t *vp = XFS_ITOV(ip); + xfs_mount_t *mp = ip->i_mount; size_t size = 0; ssize_t ret = 0; xfs_fsize_t n; - xfs_inode_t *ip; - xfs_mount_t *mp; - bhv_vnode_t *vp; unsigned long seg; - ip = XFS_BHVTOI(bdp); - vp = BHV_TO_VNODE(bdp); - mp = ip->i_mount; XFS_STATS_INC(xs_read_calls); @@ -249,8 +245,7 @@ xfs_read( bhv_vrwlock_t locktype = VRWLOCK_READ; int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags); - ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, - BHV_TO_VNODE(bdp), *offset, size, + ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, *offset, size, dmflags, &locktype); if (ret) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); @@ -287,16 +282,15 @@ xfs_read( ssize_t xfs_splice_read( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct file *infilp, loff_t *ppos, struct pipe_inode_info *pipe, size_t count, int flags, - int ioflags, - cred_t *credp) + int ioflags) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = XFS_ITOV(ip); xfs_mount_t *mp = ip->i_mount; ssize_t ret; @@ -310,8 +304,7 @@ xfs_splice_read( bhv_vrwlock_t locktype = VRWLOCK_READ; int error; - error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp), - *ppos, count, + error = XFS_SEND_DATA(mp, DM_EVENT_READ, vp, *ppos, count, FILP_DELAY_FLAG(infilp), &locktype); if (error) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); @@ -330,16 +323,15 @@ xfs_splice_read( ssize_t xfs_splice_write( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct pipe_inode_info *pipe, struct file *outfilp, loff_t *ppos, size_t count, int flags, - int ioflags, - cred_t *credp) + int ioflags) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = XFS_ITOV(ip); xfs_mount_t *mp = ip->i_mount; xfs_iocore_t *io = &ip->i_iocore; ssize_t ret; @@ -356,8 +348,7 @@ xfs_splice_write( bhv_vrwlock_t locktype = VRWLOCK_WRITE; int error; - error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, BHV_TO_VNODE(bdp), - *ppos, count, + error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp, *ppos, count, FILP_DELAY_FLAG(outfilp), &locktype); if (error) { xfs_iunlock(ip, XFS_IOLOCK_EXCL); @@ -591,24 +582,22 @@ out_lock: ssize_t /* bytes written, or (-) error */ xfs_write( - bhv_desc_t *bdp, + struct xfs_inode *xip, struct kiocb *iocb, const struct iovec *iovp, unsigned int nsegs, loff_t *offset, - int ioflags, - cred_t *credp) + int ioflags) { struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; + bhv_vnode_t *vp = XFS_ITOV(xip); unsigned long segs = nsegs; - xfs_inode_t *xip; xfs_mount_t *mp; ssize_t ret = 0, error = 0; xfs_fsize_t isize, new_size; xfs_iocore_t *io; - bhv_vnode_t *vp; int iolock; int eventsent = 0; bhv_vrwlock_t locktype; @@ -618,9 +607,6 @@ xfs_write( XFS_STATS_INC(xs_write_calls); - vp = BHV_TO_VNODE(bdp); - xip = XFS_BHVTOI(bdp); - error = generic_segment_checks(iovp, &segs, &ocount, VERIFY_READ); if (error) return error; @@ -730,7 +716,7 @@ start: */ if (pos > xip->i_size) { - error = xfs_zero_eof(BHV_TO_VNODE(bdp), io, pos, xip->i_size); + error = xfs_zero_eof(vp, io, pos, xip->i_size); if (error) { xfs_iunlock(xip, XFS_ILOCK_EXCL); goto out_unlock_internal; @@ -815,7 +801,7 @@ retry: if (ret == -ENOSPC && DM_EVENT_ENABLED(xip, DM_EVENT_NOSPACE) && !(ioflags & IO_INVIS)) { - xfs_rwunlock(bdp, locktype); + xfs_rwunlock(xip, locktype); if (need_i_mutex) mutex_unlock(&inode->i_mutex); error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp, @@ -823,7 +809,7 @@ retry: 0, 0, 0); /* Delay flag intentionally unused */ if (need_i_mutex) mutex_lock(&inode->i_mutex); - xfs_rwlock(bdp, locktype); + xfs_rwlock(xip, locktype); if (error) goto out_unlock_internal; pos = xip->i_size; @@ -854,7 +840,7 @@ retry: if (error) goto out_unlock_internal; - xfs_rwunlock(bdp, locktype); + xfs_rwunlock(xip, locktype); if (need_i_mutex) mutex_unlock(&inode->i_mutex); @@ -863,7 +849,7 @@ retry: error = -ret; if (need_i_mutex) mutex_lock(&inode->i_mutex); - xfs_rwlock(bdp, locktype); + xfs_rwlock(xip, locktype); } out_unlock_internal: @@ -881,7 +867,7 @@ retry: xip->i_d.di_size = xip->i_size; xfs_iunlock(xip, XFS_ILOCK_EXCL); } - xfs_rwunlock(bdp, locktype); + xfs_rwunlock(xip, locktype); out_unlock_mutex: if (need_i_mutex) mutex_unlock(&inode->i_mutex); @@ -920,14 +906,14 @@ xfs_bdstrat_cb(struct xfs_buf *bp) int -xfs_bmap(bhv_desc_t *bdp, +xfs_bmap( + xfs_inode_t *ip, xfs_off_t offset, ssize_t count, int flags, xfs_iomap_t *iomapp, int *niomaps) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); xfs_iocore_t *io = &ip->i_iocore; ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG); |