X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Focfs2%2Fnamei.c;h=9637039c263355676716b72b98eaa9f147867dfb;hb=678f2b7df24c34f90fee264fa3a8069bca9c99ad;hp=259155f0eb2e97ce20a39b7d990ee497b59a5725;hpb=f0b364a13d7fba001c0571d954f165dfaf5f434a;p=powerpc.git diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 259155f0eb..9637039c26 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -75,12 +75,12 @@ static int inline ocfs2_search_dirblock(struct buffer_head *bh, unsigned long offset, struct ocfs2_dir_entry **res_dir); -static int ocfs2_delete_entry(struct ocfs2_journal_handle *handle, +static int ocfs2_delete_entry(handle_t *handle, struct inode *dir, struct ocfs2_dir_entry *de_del, struct buffer_head *bh); -static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle, +static int __ocfs2_add_entry(handle_t *handle, struct inode *dir, const char *name, int namelen, struct inode *inode, u64 blkno, @@ -93,43 +93,37 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac); static int ocfs2_fill_new_dir(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *parent, struct inode *inode, struct buffer_head *fe_bh, struct ocfs2_alloc_context *data_ac); -static int ocfs2_double_lock(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, - struct buffer_head **bh1, - struct inode *inode1, - struct buffer_head **bh2, - struct inode *inode2); - static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + struct inode **ret_orphan_dir, struct inode *inode, char *name, struct buffer_head **de_bh); static int ocfs2_orphan_add(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *inode, struct ocfs2_dinode *fe, char *name, - struct buffer_head *de_bh); + struct buffer_head *de_bh, + struct inode *orphan_dir_inode); static int ocfs2_create_symlink_data(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *inode, const char *symname); -static inline int ocfs2_add_entry(struct ocfs2_journal_handle *handle, +static inline int ocfs2_add_entry(handle_t *handle, struct dentry *dentry, struct inode *inode, u64 blkno, struct buffer_head *parent_fe_bh, @@ -165,7 +159,7 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry, mlog(0, "find name %.*s in directory %llu\n", dentry->d_name.len, dentry->d_name.name, (unsigned long long)OCFS2_I(dir)->ip_blkno); - status = ocfs2_meta_lock(dir, NULL, NULL, 0); + status = ocfs2_meta_lock(dir, NULL, 0); if (status < 0) { if (status != -ENOENT) mlog_errno(status); @@ -242,7 +236,7 @@ bail: } static int ocfs2_fill_new_dir(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *parent, struct inode *inode, struct buffer_head *fe_bh, @@ -317,7 +311,7 @@ static int ocfs2_mknod(struct inode *dir, { int status = 0; struct buffer_head *parent_fe_bh = NULL; - struct ocfs2_journal_handle *handle = NULL; + handle_t *handle = NULL; struct ocfs2_super *osb; struct ocfs2_dinode *dirfe; struct buffer_head *new_fe_bh = NULL; @@ -333,18 +327,11 @@ static int ocfs2_mknod(struct inode *dir, /* get our super block */ osb = OCFS2_SB(dir->i_sb); - handle = ocfs2_alloc_handle(osb); - if (handle == NULL) { - status = -ENOMEM; - mlog_errno(status); - goto leave; - } - - status = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1); + status = ocfs2_meta_lock(dir, &parent_fe_bh, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); - goto leave; + return status; } if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) { @@ -374,7 +361,7 @@ static int ocfs2_mknod(struct inode *dir, } /* reserve an inode spot */ - status = ocfs2_reserve_new_inode(osb, handle, &inode_ac); + status = ocfs2_reserve_new_inode(osb, &inode_ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -384,7 +371,7 @@ static int ocfs2_mknod(struct inode *dir, /* are we making a directory? If so, reserve a cluster for his * 1st extent. */ if (S_ISDIR(mode)) { - status = ocfs2_reserve_clusters(osb, handle, 1, &data_ac); + status = ocfs2_reserve_clusters(osb, 1, &data_ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -392,7 +379,7 @@ static int ocfs2_mknod(struct inode *dir, } } - handle = ocfs2_start_trans(osb, handle, OCFS2_MKNOD_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -453,7 +440,9 @@ static int ocfs2_mknod(struct inode *dir, status = 0; leave: if (handle) - ocfs2_commit_trans(handle); + ocfs2_commit_trans(osb, handle); + + ocfs2_meta_unlock(dir, 1); if (status == -ENOSPC) mlog(0, "Disk is full\n"); @@ -487,7 +476,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac) { @@ -598,9 +587,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, } ocfs2_inode_set_new(osb, inode); - status = ocfs2_create_new_inode_locks(inode); - if (status < 0) - mlog_errno(status); + if (!ocfs2_mount_local(osb)) { + status = ocfs2_create_new_inode_locks(inode); + if (status < 0) + mlog_errno(status); + } status = 0; /* error in ocfs2_create_new_inode_locks is not * critical */ @@ -653,7 +644,7 @@ static int ocfs2_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { - struct ocfs2_journal_handle *handle = NULL; + handle_t *handle; struct inode *inode = old_dentry->d_inode; int err; struct buffer_head *fe_bh = NULL; @@ -666,68 +657,60 @@ static int ocfs2_link(struct dentry *old_dentry, old_dentry->d_name.len, old_dentry->d_name.name, dentry->d_name.len, dentry->d_name.name); - if (S_ISDIR(inode->i_mode)) { - err = -EPERM; - goto bail; - } - - handle = ocfs2_alloc_handle(osb); - if (handle == NULL) { - err = -ENOMEM; - goto bail; - } + if (S_ISDIR(inode->i_mode)) + return -EPERM; - err = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1); + err = ocfs2_meta_lock(dir, &parent_fe_bh, 1); if (err < 0) { if (err != -ENOENT) mlog_errno(err); - goto bail; + return err; } if (!dir->i_nlink) { err = -ENOENT; - goto bail; + goto out; } err = ocfs2_check_dir_for_entry(dir, dentry->d_name.name, dentry->d_name.len); if (err) - goto bail; + goto out; err = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh, dentry->d_name.name, dentry->d_name.len, &de_bh); if (err < 0) { mlog_errno(err); - goto bail; + goto out; } - err = ocfs2_meta_lock(inode, handle, &fe_bh, 1); + err = ocfs2_meta_lock(inode, &fe_bh, 1); if (err < 0) { if (err != -ENOENT) mlog_errno(err); - goto bail; + goto out; } fe = (struct ocfs2_dinode *) fe_bh->b_data; if (le16_to_cpu(fe->i_links_count) >= OCFS2_LINK_MAX) { err = -EMLINK; - goto bail; + goto out_unlock_inode; } - handle = ocfs2_start_trans(osb, handle, OCFS2_LINK_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS); if (IS_ERR(handle)) { err = PTR_ERR(handle); handle = NULL; mlog_errno(err); - goto bail; + goto out_unlock_inode; } err = ocfs2_journal_access(handle, inode, fe_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (err < 0) { mlog_errno(err); - goto bail; + goto out_commit; } inc_nlink(inode); @@ -741,7 +724,7 @@ static int ocfs2_link(struct dentry *old_dentry, le16_add_cpu(&fe->i_links_count, -1); drop_nlink(inode); mlog_errno(err); - goto bail; + goto out_commit; } err = ocfs2_add_entry(handle, dentry, inode, @@ -751,21 +734,27 @@ static int ocfs2_link(struct dentry *old_dentry, le16_add_cpu(&fe->i_links_count, -1); drop_nlink(inode); mlog_errno(err); - goto bail; + goto out_commit; } err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno); if (err) { mlog_errno(err); - goto bail; + goto out_commit; } atomic_inc(&inode->i_count); dentry->d_op = &ocfs2_dentry_ops; d_instantiate(dentry, inode); -bail: - if (handle) - ocfs2_commit_trans(handle); + +out_commit: + ocfs2_commit_trans(osb, handle); +out_unlock_inode: + ocfs2_meta_unlock(inode, 1); + +out: + ocfs2_meta_unlock(dir, 1); + if (de_bh) brelse(de_bh); if (fe_bh) @@ -812,13 +801,15 @@ static int ocfs2_unlink(struct inode *dir, struct dentry *dentry) { int status; + int child_locked = 0; struct inode *inode = dentry->d_inode; + struct inode *orphan_dir = NULL; struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); u64 blkno; struct ocfs2_dinode *fe = NULL; struct buffer_head *fe_bh = NULL; struct buffer_head *parent_node_bh = NULL; - struct ocfs2_journal_handle *handle = NULL; + handle_t *handle = NULL; struct ocfs2_dir_entry *dirent = NULL; struct buffer_head *dirent_bh = NULL; char orphan_name[OCFS2_ORPHAN_NAMELEN + 1]; @@ -833,22 +824,14 @@ static int ocfs2_unlink(struct inode *dir, if (inode == osb->root_inode) { mlog(0, "Cannot delete the root directory\n"); - status = -EPERM; - goto leave; - } - - handle = ocfs2_alloc_handle(osb); - if (handle == NULL) { - status = -ENOMEM; - mlog_errno(status); - goto leave; + return -EPERM; } - status = ocfs2_meta_lock(dir, handle, &parent_node_bh, 1); + status = ocfs2_meta_lock(dir, &parent_node_bh, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); - goto leave; + return status; } status = ocfs2_find_files_on_disk(dentry->d_name.name, @@ -869,12 +852,13 @@ static int ocfs2_unlink(struct inode *dir, goto leave; } - status = ocfs2_meta_lock(inode, handle, &fe_bh, 1); + status = ocfs2_meta_lock(inode, &fe_bh, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto leave; } + child_locked = 1; if (S_ISDIR(inode->i_mode)) { if (!ocfs2_empty_dir(inode)) { @@ -895,7 +879,7 @@ static int ocfs2_unlink(struct inode *dir, } if (inode_is_unlinkable(inode)) { - status = ocfs2_prepare_orphan_dir(osb, handle, inode, + status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, inode, orphan_name, &orphan_entry_bh); if (status < 0) { @@ -904,7 +888,7 @@ static int ocfs2_unlink(struct inode *dir, } } - handle = ocfs2_start_trans(osb, handle, OCFS2_UNLINK_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -923,7 +907,7 @@ static int ocfs2_unlink(struct inode *dir, if (inode_is_unlinkable(inode)) { status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name, - orphan_entry_bh); + orphan_entry_bh, orphan_dir); if (status < 0) { mlog_errno(status); goto leave; @@ -960,7 +944,19 @@ static int ocfs2_unlink(struct inode *dir, leave: if (handle) - ocfs2_commit_trans(handle); + ocfs2_commit_trans(osb, handle); + + if (child_locked) + ocfs2_meta_unlock(inode, 1); + + ocfs2_meta_unlock(dir, 1); + + if (orphan_dir) { + /* This was locked for us in ocfs2_prepare_orphan_dir() */ + ocfs2_meta_unlock(orphan_dir, 1); + mutex_unlock(&orphan_dir->i_mutex); + iput(orphan_dir); + } if (fe_bh) brelse(fe_bh); @@ -984,7 +980,6 @@ leave: * if they have the same id, then the 1st one is the only one locked. */ static int ocfs2_double_lock(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, struct buffer_head **bh1, struct inode *inode1, struct buffer_head **bh2, @@ -1000,8 +995,6 @@ static int ocfs2_double_lock(struct ocfs2_super *osb, (unsigned long long)oi1->ip_blkno, (unsigned long long)oi2->ip_blkno); - BUG_ON(!handle); - if (*bh1) *bh1 = NULL; if (*bh2) @@ -1021,25 +1014,41 @@ static int ocfs2_double_lock(struct ocfs2_super *osb, inode1 = tmpinode; } /* lock id2 */ - status = ocfs2_meta_lock(inode2, handle, bh2, 1); + status = ocfs2_meta_lock(inode2, bh2, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto bail; } } + /* lock id1 */ - status = ocfs2_meta_lock(inode1, handle, bh1, 1); + status = ocfs2_meta_lock(inode1, bh1, 1); if (status < 0) { + /* + * An error return must mean that no cluster locks + * were held on function exit. + */ + if (oi1->ip_blkno != oi2->ip_blkno) + ocfs2_meta_unlock(inode2, 1); + if (status != -ENOENT) mlog_errno(status); - goto bail; } + bail: mlog_exit(status); return status; } +static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2) +{ + ocfs2_meta_unlock(inode1, 1); + + if (inode1 != inode2) + ocfs2_meta_unlock(inode2, 1); +} + #define PARENT_INO(buffer) \ ((struct ocfs2_dir_entry *) \ ((char *)buffer + \ @@ -1050,9 +1059,11 @@ static int ocfs2_rename(struct inode *old_dir, struct inode *new_dir, struct dentry *new_dentry) { - int status = 0, rename_lock = 0; + int status = 0, rename_lock = 0, parents_locked = 0; + int old_child_locked = 0, new_child_locked = 0; struct inode *old_inode = old_dentry->d_inode; struct inode *new_inode = new_dentry->d_inode; + struct inode *orphan_dir = NULL; struct ocfs2_dinode *newfe = NULL; char orphan_name[OCFS2_ORPHAN_NAMELEN + 1]; struct buffer_head *orphan_entry_bh = NULL; @@ -1060,7 +1071,7 @@ static int ocfs2_rename(struct inode *old_dir, struct buffer_head *insert_entry_bh = NULL; struct ocfs2_super *osb = NULL; u64 newfe_blkno; - struct ocfs2_journal_handle *handle = NULL; + handle_t *handle = NULL; struct buffer_head *old_dir_bh = NULL; struct buffer_head *new_dir_bh = NULL; struct ocfs2_dir_entry *old_de = NULL, *new_de = NULL; // dirent for old_dentry @@ -1085,14 +1096,6 @@ static int ocfs2_rename(struct inode *old_dir, BUG(); } - if (atomic_read(&old_dentry->d_count) > 2) { - shrink_dcache_parent(old_dentry); - if (atomic_read(&old_dentry->d_count) > 2) { - status = -EBUSY; - goto bail; - } - } - /* Assume a directory heirarchy thusly: * a/b/c * a/d @@ -1113,21 +1116,14 @@ static int ocfs2_rename(struct inode *old_dir, rename_lock = 1; } - handle = ocfs2_alloc_handle(osb); - if (handle == NULL) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } - /* if old and new are the same, this'll just do one lock. */ - status = ocfs2_double_lock(osb, handle, - &old_dir_bh, old_dir, - &new_dir_bh, new_dir); + status = ocfs2_double_lock(osb, &old_dir_bh, old_dir, + &new_dir_bh, new_dir); if (status < 0) { mlog_errno(status); goto bail; } + parents_locked = 1; /* make sure both dirs have bhs * get an extra ref on old_dir_bh if old==new */ @@ -1148,12 +1144,13 @@ static int ocfs2_rename(struct inode *old_dir, * the vote thread on other nodes won't have to concurrently * downconvert the inode and the dentry locks. */ - status = ocfs2_meta_lock(old_inode, handle, NULL, 1); + status = ocfs2_meta_lock(old_inode, NULL, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto bail; } + old_child_locked = 1; status = ocfs2_remote_dentry_delete(old_dentry); if (status < 0) { @@ -1239,12 +1236,13 @@ static int ocfs2_rename(struct inode *old_dir, goto bail; } - status = ocfs2_meta_lock(new_inode, handle, &newfe_bh, 1); + status = ocfs2_meta_lock(new_inode, &newfe_bh, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto bail; } + new_child_locked = 1; status = ocfs2_remote_dentry_delete(new_dentry); if (status < 0) { @@ -1260,7 +1258,7 @@ static int ocfs2_rename(struct inode *old_dir, (unsigned long long)newfe_bh->b_blocknr : 0ULL); if (S_ISDIR(new_inode->i_mode) || (new_inode->i_nlink == 1)) { - status = ocfs2_prepare_orphan_dir(osb, handle, + status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, new_inode, orphan_name, &orphan_entry_bh); @@ -1288,7 +1286,7 @@ static int ocfs2_rename(struct inode *old_dir, } } - handle = ocfs2_start_trans(osb, handle, OCFS2_RENAME_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1315,7 +1313,7 @@ static int ocfs2_rename(struct inode *old_dir, (newfe->i_links_count == cpu_to_le16(1))){ status = ocfs2_orphan_add(osb, handle, new_inode, newfe, orphan_name, - orphan_entry_bh); + orphan_entry_bh, orphan_dir); if (status < 0) { mlog_errno(status); goto bail; @@ -1432,7 +1430,23 @@ bail: ocfs2_rename_unlock(osb); if (handle) - ocfs2_commit_trans(handle); + ocfs2_commit_trans(osb, handle); + + if (parents_locked) + ocfs2_double_unlock(old_dir, new_dir); + + if (old_child_locked) + ocfs2_meta_unlock(old_inode, 1); + + if (new_child_locked) + ocfs2_meta_unlock(new_inode, 1); + + if (orphan_dir) { + /* This was locked for us in ocfs2_prepare_orphan_dir() */ + ocfs2_meta_unlock(orphan_dir, 1); + mutex_unlock(&orphan_dir->i_mutex); + iput(orphan_dir); + } if (new_inode) sync_mapping_buffers(old_inode->i_mapping); @@ -1466,7 +1480,7 @@ bail: * data, including the null terminator. */ static int ocfs2_create_symlink_data(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *inode, const char *symname) { @@ -1581,7 +1595,7 @@ static int ocfs2_symlink(struct inode *dir, struct buffer_head *parent_fe_bh = NULL; struct ocfs2_dinode *fe = NULL; struct ocfs2_dinode *dirfe; - struct ocfs2_journal_handle *handle = NULL; + handle_t *handle = NULL; struct ocfs2_alloc_context *inode_ac = NULL; struct ocfs2_alloc_context *data_ac = NULL; @@ -1595,19 +1609,12 @@ static int ocfs2_symlink(struct inode *dir, credits = ocfs2_calc_symlink_credits(sb); - handle = ocfs2_alloc_handle(osb); - if (handle == NULL) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } - /* lock the parent directory */ - status = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1); + status = ocfs2_meta_lock(dir, &parent_fe_bh, 1); if (status < 0) { if (status != -ENOENT) mlog_errno(status); - goto bail; + return status; } dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data; @@ -1630,7 +1637,7 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } - status = ocfs2_reserve_new_inode(osb, handle, &inode_ac); + status = ocfs2_reserve_new_inode(osb, &inode_ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -1639,7 +1646,7 @@ static int ocfs2_symlink(struct inode *dir, /* don't reserve bitmap space for fast symlinks. */ if (l > ocfs2_fast_symlink_chars(sb)) { - status = ocfs2_reserve_clusters(osb, handle, 1, &data_ac); + status = ocfs2_reserve_clusters(osb, 1, &data_ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -1647,7 +1654,7 @@ static int ocfs2_symlink(struct inode *dir, } } - handle = ocfs2_start_trans(osb, handle, credits); + handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1725,7 +1732,10 @@ static int ocfs2_symlink(struct inode *dir, d_instantiate(dentry, inode); bail: if (handle) - ocfs2_commit_trans(handle); + ocfs2_commit_trans(osb, handle); + + ocfs2_meta_unlock(dir, 1); + if (new_fe_bh) brelse(new_fe_bh); if (parent_fe_bh) @@ -1776,7 +1786,7 @@ int ocfs2_check_dir_entry(struct inode * dir, * If you pass me insert_bh, I'll skip the search of the other dir * blocks and put the record in there. */ -static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle, +static int __ocfs2_add_entry(handle_t *handle, struct inode *dir, const char *name, int namelen, struct inode *inode, u64 blkno, @@ -1862,7 +1872,7 @@ bail: * ocfs2_delete_entry deletes a directory entry by merging it with the * previous entry */ -static int ocfs2_delete_entry(struct ocfs2_journal_handle *handle, +static int ocfs2_delete_entry(handle_t *handle, struct inode *dir, struct ocfs2_dir_entry *de_del, struct buffer_head *bh) @@ -2093,19 +2103,19 @@ bail: } static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + struct inode **ret_orphan_dir, struct inode *inode, char *name, struct buffer_head **de_bh) { - struct inode *orphan_dir_inode = NULL; + struct inode *orphan_dir_inode; struct buffer_head *orphan_dir_bh = NULL; int status = 0; status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name); if (status < 0) { mlog_errno(status); - goto leave; + return status; } orphan_dir_inode = ocfs2_get_system_file_inode(osb, @@ -2114,11 +2124,12 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, if (!orphan_dir_inode) { status = -ENOENT; mlog_errno(status); - goto leave; + return status; } - ocfs2_handle_add_inode(handle, orphan_dir_inode); - status = ocfs2_meta_lock(orphan_dir_inode, handle, &orphan_dir_bh, 1); + mutex_lock(&orphan_dir_inode->i_mutex); + + status = ocfs2_meta_lock(orphan_dir_inode, &orphan_dir_bh, 1); if (status < 0) { mlog_errno(status); goto leave; @@ -2128,13 +2139,19 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, orphan_dir_bh, name, OCFS2_ORPHAN_NAMELEN, de_bh); if (status < 0) { + ocfs2_meta_unlock(orphan_dir_inode, 1); + mlog_errno(status); goto leave; } + *ret_orphan_dir = orphan_dir_inode; + leave: - if (orphan_dir_inode) + if (status) { + mutex_unlock(&orphan_dir_inode->i_mutex); iput(orphan_dir_inode); + } if (orphan_dir_bh) brelse(orphan_dir_bh); @@ -2144,28 +2161,19 @@ leave: } static int ocfs2_orphan_add(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *inode, struct ocfs2_dinode *fe, char *name, - struct buffer_head *de_bh) + struct buffer_head *de_bh, + struct inode *orphan_dir_inode) { - struct inode *orphan_dir_inode = NULL; struct buffer_head *orphan_dir_bh = NULL; int status = 0; struct ocfs2_dinode *orphan_fe; mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - orphan_dir_inode = ocfs2_get_system_file_inode(osb, - ORPHAN_DIR_SYSTEM_INODE, - osb->slot_num); - if (!orphan_dir_inode) { - status = -ENOENT; - mlog_errno(status); - goto leave; - } - status = ocfs2_read_block(osb, OCFS2_I(orphan_dir_inode)->ip_blkno, &orphan_dir_bh, OCFS2_BH_CACHED, @@ -2217,9 +2225,6 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num); leave: - if (orphan_dir_inode) - iput(orphan_dir_inode); - if (orphan_dir_bh) brelse(orphan_dir_bh); @@ -2229,7 +2234,7 @@ leave: /* unlike orphan_add, we expect the orphan dir to already be locked here. */ int ocfs2_orphan_del(struct ocfs2_super *osb, - struct ocfs2_journal_handle *handle, + handle_t *handle, struct inode *orphan_dir_inode, struct inode *inode, struct buffer_head *orphan_dir_bh) @@ -2308,4 +2313,5 @@ struct inode_operations ocfs2_dir_iops = { .rename = ocfs2_rename, .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, + .permission = ocfs2_permission, };