X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_utils.c;h=2b8dc7e40772efc5829fed46870fa16b0005f675;hb=429f731dea577bdd43693940cdca524135287e6a;hp=9014d7e444885faa447c2a7a987c1f4bdcd1bf8e;hpb=37224470c8c6d90a4062e76a08d4dc1fcf91fc89;p=linux-2.6 diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 9014d7e444..2b8dc7e407 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -40,47 +40,20 @@ #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( - bhv_vname_t *dentry, - xfs_inode_t **ipp) -{ - bhv_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, + xfs_inode_t *dp, uint lock_mode, - bhv_vname_t *dentry, + struct xfs_name *name, xfs_ino_t *inum, xfs_inode_t **ipp) { - bhv_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); + xfs_itrace_entry(dp); - dp = XFS_BHVTOI(dir_bdp); - - error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum); + error = xfs_dir_lookup(NULL, dp, name, inum); if (!error) { /* * Unlock the directory. We do this because we can't @@ -222,7 +195,7 @@ xfs_dir_ialloc( } 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; @@ -307,6 +280,7 @@ xfs_droplink( ASSERT (ip->i_d.di_nlink > 0); ip->i_d.di_nlink--; + drop_nlink(ip->i_vnode); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); error = 0; @@ -335,7 +309,6 @@ xfs_bump_ino_vers2( 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); @@ -344,14 +317,14 @@ xfs_bump_ino_vers2( 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 */ @@ -371,6 +344,7 @@ xfs_bumplink( ASSERT(ip->i_d.di_nlink > 0); ip->i_d.di_nlink++; + inc_nlink(ip->i_vnode); if ((ip->i_d.di_version == XFS_DINODE_VERSION_1) && (ip->i_d.di_nlink > XFS_MAXLINK_1)) { /* @@ -420,7 +394,11 @@ xfs_truncate_file( * 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, @@ -460,8 +438,7 @@ xfs_truncate_file( 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);