#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
#include "xfs_itable.h"
#include "xfs_utils.h"
-/*
- * xfs_get_dir_entry is used to get a reference to an inode given
- * its parent directory inode and the name of the file. It does
- * not lock the child inode, and it unlocks the directory before
- * returning. The directory's generation number is returned for
- * use by a later call to xfs_lock_dir_and_entry.
- */
-int
-xfs_get_dir_entry(
- vname_t *dentry,
- xfs_inode_t **ipp)
-{
- vnode_t *vp;
-
- vp = VNAME_TO_VNODE(dentry);
-
- *ipp = xfs_vtoi(vp);
- if (!*ipp)
- return XFS_ERROR(ENOENT);
- VN_HOLD(vp);
- return 0;
-}
-
-int
-xfs_dir_lookup_int(
- bhv_desc_t *dir_bdp,
- uint lock_mode,
- vname_t *dentry,
- xfs_ino_t *inum,
- xfs_inode_t **ipp)
-{
- vnode_t *dir_vp;
- xfs_inode_t *dp;
- int error;
-
- dir_vp = BHV_TO_VNODE(dir_bdp);
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
-
- dp = XFS_BHVTOI(dir_bdp);
-
- error = XFS_DIR_LOOKUP(dp->i_mount, NULL, dp,
- VNAME(dentry), VNAMELEN(dentry), inum);
- if (!error) {
- /*
- * Unlock the directory. We do this because we can't
- * hold the directory lock while doing the vn_get()
- * in xfs_iget(). Doing so could cause us to hold
- * a lock while waiting for the inode to finish
- * being inactive while it's waiting for a log
- * reservation in the inactive routine.
- */
- xfs_iunlock(dp, lock_mode);
- error = xfs_iget(dp->i_mount, NULL, *inum, 0, 0, ipp, 0);
- xfs_ilock(dp, lock_mode);
-
- if (error) {
- *ipp = NULL;
- } else if ((*ipp)->i_d.di_mode == 0) {
- /*
- * The inode has been freed. Something is
- * wrong so just get out of here.
- */
- xfs_iunlock(dp, lock_mode);
- xfs_iput_new(*ipp, 0);
- *ipp = NULL;
- xfs_ilock(dp, lock_mode);
- error = XFS_ERROR(ENOENT);
- }
- }
- return error;
-}
/*
* Allocates a new inode from disk and return a pointer to the
}
ntp = xfs_trans_dup(tp);
- code = xfs_trans_commit(tp, 0, NULL);
+ code = xfs_trans_commit(tp, 0);
tp = ntp;
if (committed != NULL) {
*committed = 1;
xfs_buf_relse(ialloc_context);
if (dqinfo) {
tp->t_dqinfo = dqinfo;
- XFS_TRANS_FREE_DQINFO(tp->t_mountp, tp);
+ xfs_trans_free_dqinfo(tp);
}
*tpp = ntp;
*ipp = NULL;
return code;
}
+
+ /*
+ * transaction commit worked ok so we can drop the extra ticket
+ * reference that we gained in xfs_trans_dup()
+ */
+ xfs_log_ticket_put(tp->t_ticket);
code = xfs_trans_reserve(tp, 0, log_res, 0,
XFS_TRANS_PERM_LOG_RES, log_count);
/*
ASSERT (ip->i_d.di_nlink > 0);
ip->i_d.di_nlink--;
+ drop_nlink(VFS_I(ip));
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = 0;
xfs_inode_t *ip)
{
xfs_mount_t *mp;
- unsigned long s;
- ASSERT(ismrlocked (&ip->i_lock, MR_UPDATE));
- ASSERT(ip->i_d.di_version == XFS_DINODE_VERSION_1);
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+ ASSERT(ip->i_d.di_version == 1);
- ip->i_d.di_version = XFS_DINODE_VERSION_2;
+ ip->i_d.di_version = 2;
ip->i_d.di_onlink = 0;
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
mp = tp->t_mountp;
- if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
- s = XFS_SB_LOCK(mp);
- if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
- XFS_SB_VERSION_ADDNLINK(&mp->m_sb);
- XFS_SB_UNLOCK(mp, s);
+ if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
+ spin_lock(&mp->m_sb_lock);
+ if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
+ xfs_sb_version_addnlink(&mp->m_sb);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, XFS_SB_VERSIONNUM);
} else {
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
}
}
/* Caller must log the inode */
ASSERT(ip->i_d.di_nlink > 0);
ip->i_d.di_nlink++;
- if ((ip->i_d.di_version == XFS_DINODE_VERSION_1) &&
+ inc_nlink(VFS_I(ip));
+ if ((ip->i_d.di_version == 1) &&
(ip->i_d.di_nlink > XFS_MAXLINK_1)) {
/*
* The inode has increased its number of links beyond
* in a transaction.
*/
xfs_ilock(ip, XFS_IOLOCK_EXCL);
- xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, (xfs_fsize_t)0);
+ error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, (xfs_fsize_t)0);
+ if (error) {
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ return error;
+ }
tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE);
if ((error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0,
/*
* Follow the normal truncate locking protocol. Since we
- * hold the inode in the transaction, we know that it's number
+ * hold the inode in the transaction, we know that its number
* of references will stay constant.
*/
xfs_ilock(ip, XFS_ILOCK_EXCL);
XFS_TRANS_ABORT);
} else {
xfs_ichgtime(ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES,
- NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
}
xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff