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Diffstat (limited to 'fs/ocfs2/namei.c')
-rw-r--r--fs/ocfs2/namei.c86
1 files changed, 61 insertions, 25 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index d9cd4e3..4cbb18f 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -84,7 +84,7 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
static int ocfs2_orphan_add(struct ocfs2_super *osb,
handle_t *handle,
struct inode *inode,
- struct ocfs2_dinode *fe,
+ struct buffer_head *fe_bh,
char *name,
struct ocfs2_dir_lookup_result *lookup,
struct inode *orphan_dir_inode);
@@ -408,23 +408,28 @@ static int ocfs2_mknod(struct inode *dir,
}
}
- status = ocfs2_add_entry(handle, dentry, inode,
- OCFS2_I(inode)->ip_blkno, parent_fe_bh,
- &lookup);
- if (status < 0) {
+ /*
+ * Do this before adding the entry to the directory. We add
+ * also set d_op after success so that ->d_iput() will cleanup
+ * the dentry lock even if ocfs2_add_entry() fails below.
+ */
+ status = ocfs2_dentry_attach_lock(dentry, inode,
+ OCFS2_I(dir)->ip_blkno);
+ if (status) {
mlog_errno(status);
goto leave;
}
+ dentry->d_op = &ocfs2_dentry_ops;
- status = ocfs2_dentry_attach_lock(dentry, inode,
- OCFS2_I(dir)->ip_blkno);
- if (status) {
+ status = ocfs2_add_entry(handle, dentry, inode,
+ OCFS2_I(inode)->ip_blkno, parent_fe_bh,
+ &lookup);
+ if (status < 0) {
mlog_errno(status);
goto leave;
}
insert_inode_hash(inode);
- dentry->d_op = &ocfs2_dentry_ops;
d_instantiate(dentry, inode);
status = 0;
leave:
@@ -445,11 +450,6 @@ leave:
ocfs2_free_dir_lookup_result(&lookup);
- if ((status < 0) && inode) {
- clear_nlink(inode);
- iput(inode);
- }
-
if (inode_ac)
ocfs2_free_alloc_context(inode_ac);
@@ -459,6 +459,17 @@ leave:
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
+ /*
+ * We should call iput after the i_mutex of the bitmap been
+ * unlocked in ocfs2_free_alloc_context, or the
+ * ocfs2_delete_inode will mutex_lock again.
+ */
+ if ((status < 0) && inode) {
+ OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
+ clear_nlink(inode);
+ iput(inode);
+ }
+
mlog_exit(status);
return status;
@@ -879,7 +890,7 @@ static int ocfs2_unlink(struct inode *dir,
fe = (struct ocfs2_dinode *) fe_bh->b_data;
if (inode_is_unlinkable(inode)) {
- status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name,
+ status = ocfs2_orphan_add(osb, handle, inode, fe_bh, orphan_name,
&orphan_insert, orphan_dir);
if (status < 0) {
mlog_errno(status);
@@ -1300,7 +1311,7 @@ static int ocfs2_rename(struct inode *old_dir,
if (S_ISDIR(new_inode->i_mode) ||
(ocfs2_read_links_count(newfe) == 1)) {
status = ocfs2_orphan_add(osb, handle, new_inode,
- newfe, orphan_name,
+ newfe_bh, orphan_name,
&orphan_insert, orphan_dir);
if (status < 0) {
mlog_errno(status);
@@ -1771,22 +1782,27 @@ static int ocfs2_symlink(struct inode *dir,
}
}
- status = ocfs2_add_entry(handle, dentry, inode,
- le64_to_cpu(fe->i_blkno), parent_fe_bh,
- &lookup);
- if (status < 0) {
+ /*
+ * Do this before adding the entry to the directory. We add
+ * also set d_op after success so that ->d_iput() will cleanup
+ * the dentry lock even if ocfs2_add_entry() fails below.
+ */
+ status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);
+ if (status) {
mlog_errno(status);
goto bail;
}
+ dentry->d_op = &ocfs2_dentry_ops;
- status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);
- if (status) {
+ status = ocfs2_add_entry(handle, dentry, inode,
+ le64_to_cpu(fe->i_blkno), parent_fe_bh,
+ &lookup);
+ if (status < 0) {
mlog_errno(status);
goto bail;
}
insert_inode_hash(inode);
- dentry->d_op = &ocfs2_dentry_ops;
d_instantiate(dentry, inode);
bail:
if (status < 0 && did_quota)
@@ -1811,6 +1827,7 @@ bail:
if (xattr_ac)
ocfs2_free_alloc_context(xattr_ac);
if ((status < 0) && inode) {
+ OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
clear_nlink(inode);
iput(inode);
}
@@ -1911,7 +1928,7 @@ leave:
static int ocfs2_orphan_add(struct ocfs2_super *osb,
handle_t *handle,
struct inode *inode,
- struct ocfs2_dinode *fe,
+ struct buffer_head *fe_bh,
char *name,
struct ocfs2_dir_lookup_result *lookup,
struct inode *orphan_dir_inode)
@@ -1919,6 +1936,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
struct buffer_head *orphan_dir_bh = NULL;
int status = 0;
struct ocfs2_dinode *orphan_fe;
+ struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data;
mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
@@ -1959,13 +1977,31 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
goto leave;
}
+ /*
+ * We're going to journal the change of i_flags and i_orphaned_slot.
+ * It's safe anyway, though some callers may duplicate the journaling.
+ * Journaling within the func just make the logic look more
+ * straightforward.
+ */
+ status = ocfs2_journal_access_di(handle,
+ INODE_CACHE(inode),
+ fe_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
le32_add_cpu(&fe->i_flags, OCFS2_ORPHANED_FL);
+ OCFS2_I(inode)->ip_flags &= ~OCFS2_INODE_SKIP_ORPHAN_DIR;
/* Record which orphan dir our inode now resides
* in. delete_inode will use this to determine which orphan
* dir to lock. */
fe->i_orphaned_slot = cpu_to_le16(osb->slot_num);
+ ocfs2_journal_dirty(handle, fe_bh);
+
mlog(0, "Inode %llu orphaned in slot %d\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num);
@@ -2123,7 +2159,7 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
}
di = (struct ocfs2_dinode *)new_di_bh->b_data;
- status = ocfs2_orphan_add(osb, handle, inode, di, orphan_name,
+ status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,
&orphan_insert, orphan_dir);
if (status < 0) {
mlog_errno(status);
generated by cgit v1.1 at 2024-05-26 13:41:38 +0000