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-rw-r--r--fs/jfs/jfs_imap.c10
-rw-r--r--fs/jfs/jfs_inode.c29
-rw-r--r--fs/jfs/namei.c24
-rw-r--r--fs/jfs/super.c10
4 files changed, 50 insertions, 23 deletions
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index d6363d8309d..0f94381ca6d 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -58,9 +58,9 @@
/*
* __mark_inode_dirty expects inodes to be hashed. Since we don't want
- * special inodes in the fileset inode space, we hash them to a dummy head
+ * special inodes in the fileset inode space, we make them appear hashed,
+ * but do not put on any lists.
*/
-static HLIST_HEAD(aggregate_hash);
/*
* imap locks
@@ -496,7 +496,11 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
/* release the page */
release_metapage(mp);
- hlist_add_head(&ip->i_hash, &aggregate_hash);
+ /*
+ * that will look hashed, but won't be on any list; hlist_del()
+ * will work fine and require no locking.
+ */
+ ip->i_hash.pprev = &ip->i_hash.next;
return (ip);
}
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 70022fd1c53..d4d142c2edd 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -79,7 +79,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
inode = new_inode(sb);
if (!inode) {
jfs_warn("ialloc: new_inode returned NULL!");
- return ERR_PTR(-ENOMEM);
+ rc = -ENOMEM;
+ goto fail;
}
jfs_inode = JFS_IP(inode);
@@ -89,8 +90,12 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
jfs_warn("ialloc: diAlloc returned %d!", rc);
if (rc == -EIO)
make_bad_inode(inode);
- iput(inode);
- return ERR_PTR(rc);
+ goto fail_put;
+ }
+
+ if (insert_inode_locked(inode) < 0) {
+ rc = -EINVAL;
+ goto fail_unlock;
}
inode->i_uid = current_fsuid();
@@ -112,11 +117,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
* Allocate inode to quota.
*/
if (DQUOT_ALLOC_INODE(inode)) {
- DQUOT_DROP(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
- return ERR_PTR(-EDQUOT);
+ rc = -EDQUOT;
+ goto fail_drop;
}
inode->i_mode = mode;
@@ -158,4 +160,15 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
jfs_info("ialloc returns inode = 0x%p\n", inode);
return inode;
+
+fail_drop:
+ DQUOT_DROP(inode);
+ inode->i_flags |= S_NOQUOTA;
+fail_unlock:
+ inode->i_nlink = 0;
+ unlock_new_inode(inode);
+fail_put:
+ iput(inode);
+fail:
+ return ERR_PTR(rc);
}
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index cc3cedffbfa..b4de56b851e 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -155,7 +155,6 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
ip->i_fop = &jfs_file_operations;
ip->i_mapping->a_ops = &jfs_aops;
- insert_inode_hash(ip);
mark_inode_dirty(ip);
dip->i_ctime = dip->i_mtime = CURRENT_TIME;
@@ -171,9 +170,12 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
+ unlock_new_inode(ip);
iput(ip);
- } else
+ } else {
d_instantiate(dentry, ip);
+ unlock_new_inode(ip);
+ }
out2:
free_UCSname(&dname);
@@ -289,7 +291,6 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
ip->i_op = &jfs_dir_inode_operations;
ip->i_fop = &jfs_dir_operations;
- insert_inode_hash(ip);
mark_inode_dirty(ip);
/* update parent directory inode */
@@ -306,9 +307,12 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
+ unlock_new_inode(ip);
iput(ip);
- } else
+ } else {
d_instantiate(dentry, ip);
+ unlock_new_inode(ip);
+ }
out2:
free_UCSname(&dname);
@@ -1019,7 +1023,6 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
goto out3;
}
- insert_inode_hash(ip);
mark_inode_dirty(ip);
dip->i_ctime = dip->i_mtime = CURRENT_TIME;
@@ -1039,9 +1042,12 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
+ unlock_new_inode(ip);
iput(ip);
- } else
+ } else {
d_instantiate(dentry, ip);
+ unlock_new_inode(ip);
+ }
out2:
free_UCSname(&dname);
@@ -1399,7 +1405,6 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
jfs_ip->dev = new_encode_dev(rdev);
init_special_inode(ip, ip->i_mode, rdev);
- insert_inode_hash(ip);
mark_inode_dirty(ip);
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
@@ -1417,9 +1422,12 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
+ unlock_new_inode(ip);
iput(ip);
- } else
+ } else {
d_instantiate(dentry, ip);
+ unlock_new_inode(ip);
+ }
out1:
free_UCSname(&dname);
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 0dae345e481..b37d1f78b85 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -543,7 +543,7 @@ out_kfree:
return ret;
}
-static void jfs_write_super_lockfs(struct super_block *sb)
+static int jfs_freeze(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
@@ -553,9 +553,10 @@ static void jfs_write_super_lockfs(struct super_block *sb)
lmLogShutdown(log);
updateSuper(sb, FM_CLEAN);
}
+ return 0;
}
-static void jfs_unlockfs(struct super_block *sb)
+static int jfs_unfreeze(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
@@ -568,6 +569,7 @@ static void jfs_unlockfs(struct super_block *sb)
else
txResume(sb);
}
+ return 0;
}
static int jfs_get_sb(struct file_system_type *fs_type,
@@ -735,8 +737,8 @@ static const struct super_operations jfs_super_operations = {
.delete_inode = jfs_delete_inode,
.put_super = jfs_put_super,
.sync_fs = jfs_sync_fs,
- .write_super_lockfs = jfs_write_super_lockfs,
- .unlockfs = jfs_unlockfs,
+ .freeze_fs = jfs_freeze,
+ .unfreeze_fs = jfs_unfreeze,
.statfs = jfs_statfs,
.remount_fs = jfs_remount,
.show_options = jfs_show_options,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 21:20:50 +0000