diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vnode.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c deleted file mode 100644 index bc7afe00733..00000000000 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" -#include "xfs_vnodeops.h" -#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" - - -/* - * Dedicated vnode inactive/reclaim sync semaphores. - * Prime number of hash buckets since address is used as the key. - */ -#define NVSYNC 37 -#define vptosync(v) (&vsync[((unsigned long)v) % NVSYNC]) -static wait_queue_head_t vsync[NVSYNC]; - -void __init -vn_init(void) -{ - int i; - - for (i = 0; i < NVSYNC; i++) - init_waitqueue_head(&vsync[i]); -} - -void -vn_iowait( - xfs_inode_t *ip) -{ - wait_queue_head_t *wq = vptosync(ip); - - wait_event(*wq, (atomic_read(&ip->i_iocount) == 0)); -} - -void -vn_iowake( - xfs_inode_t *ip) -{ - if (atomic_dec_and_test(&ip->i_iocount)) - wake_up(vptosync(ip)); -} - -/* - * Volume managers supporting multiple paths can send back ENODEV when the - * final path disappears. In this case continuing to fill the page cache - * with dirty data which cannot be written out is evil, so prevent that. - */ -void -vn_ioerror( - xfs_inode_t *ip, - int error, - char *f, - int l) -{ - if (unlikely(error == -ENODEV)) - xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, f, l); -} - -/* - * Revalidate the Linux inode from the XFS inode. - * Note: i_size _not_ updated; we must hold the inode - * semaphore when doing that - callers responsibility. - */ -int -vn_revalidate( - bhv_vnode_t *vp) -{ - struct inode *inode = vn_to_inode(vp); - struct xfs_inode *ip = XFS_I(inode); - struct xfs_mount *mp = ip->i_mount; - unsigned long xflags; - - xfs_itrace_entry(ip); - - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - xfs_ilock(ip, XFS_ILOCK_SHARED); - inode->i_mode = ip->i_d.di_mode; - inode->i_uid = ip->i_d.di_uid; - inode->i_gid = ip->i_d.di_gid; - inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec; - inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec; - inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec; - inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec; - - xflags = xfs_ip2xflags(ip); - if (xflags & XFS_XFLAG_IMMUTABLE) - inode->i_flags |= S_IMMUTABLE; - else - inode->i_flags &= ~S_IMMUTABLE; - if (xflags & XFS_XFLAG_APPEND) - inode->i_flags |= S_APPEND; - else - inode->i_flags &= ~S_APPEND; - if (xflags & XFS_XFLAG_SYNC) - inode->i_flags |= S_SYNC; - else - inode->i_flags &= ~S_SYNC; - if (xflags & XFS_XFLAG_NOATIME) - inode->i_flags |= S_NOATIME; - else - inode->i_flags &= ~S_NOATIME; - xfs_iunlock(ip, XFS_ILOCK_SHARED); - - xfs_iflags_clear(ip, XFS_IMODIFIED); - return 0; -} - -/* - * Add a reference to a referenced vnode. - */ -bhv_vnode_t * -vn_hold( - bhv_vnode_t *vp) -{ - struct inode *inode; - - XFS_STATS_INC(vn_hold); - - inode = igrab(vn_to_inode(vp)); - ASSERT(inode); - - return vp; -} - -#ifdef XFS_INODE_TRACE - -/* - * Reference count of Linux inode if present, -1 if the xfs_inode - * has no associated Linux inode. - */ -static inline int xfs_icount(struct xfs_inode *ip) -{ - bhv_vnode_t *vp = XFS_ITOV_NULL(ip); - - if (vp) - return vn_count(vp); - return -1; -} - -#define KTRACE_ENTER(ip, vk, s, line, ra) \ - ktrace_enter( (ip)->i_trace, \ -/* 0 */ (void *)(__psint_t)(vk), \ -/* 1 */ (void *)(s), \ -/* 2 */ (void *)(__psint_t) line, \ -/* 3 */ (void *)(__psint_t)xfs_icount(ip), \ -/* 4 */ (void *)(ra), \ -/* 5 */ NULL, \ -/* 6 */ (void *)(__psint_t)current_cpu(), \ -/* 7 */ (void *)(__psint_t)current_pid(), \ -/* 8 */ (void *)__return_address, \ -/* 9 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL) - -/* - * Vnode tracing code. - */ -void -_xfs_itrace_entry(xfs_inode_t *ip, const char *func, inst_t *ra) -{ - KTRACE_ENTER(ip, INODE_KTRACE_ENTRY, func, 0, ra); -} - -void -_xfs_itrace_exit(xfs_inode_t *ip, const char *func, inst_t *ra) -{ - KTRACE_ENTER(ip, INODE_KTRACE_EXIT, func, 0, ra); -} - -void -xfs_itrace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra) -{ - KTRACE_ENTER(ip, INODE_KTRACE_HOLD, file, line, ra); -} - -void -_xfs_itrace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra) -{ - KTRACE_ENTER(ip, INODE_KTRACE_REF, file, line, ra); -} - -void -xfs_itrace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra) -{ - KTRACE_ENTER(ip, INODE_KTRACE_RELE, file, line, ra); -} -#endif /* XFS_INODE_TRACE */ |