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-rw-r--r--fs/jfs/acl.c47
-rw-r--r--fs/jfs/jfs_extent.c1
-rw-r--r--fs/jfs/jfs_imap.c1
-rw-r--r--fs/jfs/jfs_incore.h6
-rw-r--r--fs/jfs/super.c47
-rw-r--r--fs/jfs/xattr.c10
6 files changed, 49 insertions, 63 deletions
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 06ca1b8d2054..91fa3ad6e8c2 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -31,27 +31,24 @@ static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
char *ea_name;
- struct jfs_inode_info *ji = JFS_IP(inode);
- struct posix_acl **p_acl;
int size;
char *value = NULL;
+ acl = get_cached_acl(inode, type);
+ if (acl != ACL_NOT_CACHED)
+ return acl;
+
switch(type) {
case ACL_TYPE_ACCESS:
ea_name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &ji->i_acl;
break;
case ACL_TYPE_DEFAULT:
ea_name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &ji->i_default_acl;
break;
default:
return ERR_PTR(-EINVAL);
}
- if (*p_acl != JFS_ACL_NOT_CACHED)
- return posix_acl_dup(*p_acl);
-
size = __jfs_getxattr(inode, ea_name, NULL, 0);
if (size > 0) {
@@ -62,17 +59,18 @@ static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
}
if (size < 0) {
- if (size == -ENODATA) {
- *p_acl = NULL;
+ if (size == -ENODATA)
acl = NULL;
- } else
+ else
acl = ERR_PTR(size);
} else {
acl = posix_acl_from_xattr(value, size);
- if (!IS_ERR(acl))
- *p_acl = posix_acl_dup(acl);
}
kfree(value);
+ if (!IS_ERR(acl)) {
+ set_cached_acl(inode, type, acl);
+ posix_acl_release(acl);
+ }
return acl;
}
@@ -80,8 +78,6 @@ static int jfs_set_acl(tid_t tid, struct inode *inode, int type,
struct posix_acl *acl)
{
char *ea_name;
- struct jfs_inode_info *ji = JFS_IP(inode);
- struct posix_acl **p_acl;
int rc;
int size = 0;
char *value = NULL;
@@ -92,11 +88,9 @@ static int jfs_set_acl(tid_t tid, struct inode *inode, int type,
switch(type) {
case ACL_TYPE_ACCESS:
ea_name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &ji->i_acl;
break;
case ACL_TYPE_DEFAULT:
ea_name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &ji->i_default_acl;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
@@ -116,27 +110,24 @@ static int jfs_set_acl(tid_t tid, struct inode *inode, int type,
out:
kfree(value);
- if (!rc) {
- if (*p_acl && (*p_acl != JFS_ACL_NOT_CACHED))
- posix_acl_release(*p_acl);
- *p_acl = posix_acl_dup(acl);
- }
+ if (!rc)
+ set_cached_acl(inode, type, acl);
+
return rc;
}
static int jfs_check_acl(struct inode *inode, int mask)
{
- struct jfs_inode_info *ji = JFS_IP(inode);
+ struct posix_acl *acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
- if (ji->i_acl == JFS_ACL_NOT_CACHED) {
- struct posix_acl *acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
+ if (IS_ERR(acl))
+ return PTR_ERR(acl);
+ if (acl) {
+ int error = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl);
+ return error;
}
- if (ji->i_acl)
- return posix_acl_permission(inode, ji->i_acl, mask);
return -EAGAIN;
}
diff --git a/fs/jfs/jfs_extent.c b/fs/jfs/jfs_extent.c
index bbbd5f202e37..41d6045dbeb0 100644
--- a/fs/jfs/jfs_extent.c
+++ b/fs/jfs/jfs_extent.c
@@ -391,6 +391,7 @@ int extHint(struct inode *ip, s64 offset, xad_t * xp)
}
XADaddress(xp, xaddr);
XADlength(xp, xlen);
+ XADoffset(xp, prev);
/*
* only preserve the abnr flag within the xad flags
* of the returned hint.
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 346057218edc..0fc30407f039 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -2571,6 +2571,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
txAbort(tid, 0);
txEnd(tid);
+ mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
/* release the inode map lock */
IWRITE_UNLOCK(ipimap);
diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h
index 439901d205fe..1439f119ec83 100644
--- a/fs/jfs/jfs_incore.h
+++ b/fs/jfs/jfs_incore.h
@@ -74,10 +74,6 @@ struct jfs_inode_info {
/* xattr_sem allows us to access the xattrs without taking i_mutex */
struct rw_semaphore xattr_sem;
lid_t xtlid; /* lid of xtree lock on directory */
-#ifdef CONFIG_JFS_POSIX_ACL
- struct posix_acl *i_acl;
- struct posix_acl *i_default_acl;
-#endif
union {
struct {
xtpage_t _xtroot; /* 288: xtree root */
@@ -107,8 +103,6 @@ struct jfs_inode_info {
#define i_inline u.link._inline
#define i_inline_ea u.link._inline_ea
-#define JFS_ACL_NOT_CACHED ((void *)-1)
-
#define IREAD_LOCK(ip, subclass) \
down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)
#define IREAD_UNLOCK(ip) up_read(&JFS_IP(ip)->rdwrlock)
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 6f21adf9479a..37e6dcda8fc8 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -32,6 +32,7 @@
#include <linux/crc32.h>
#include <asm/uaccess.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include "jfs_incore.h"
#include "jfs_filsys.h"
@@ -127,18 +128,6 @@ static void jfs_destroy_inode(struct inode *inode)
ji->active_ag = -1;
}
spin_unlock_irq(&ji->ag_lock);
-
-#ifdef CONFIG_JFS_POSIX_ACL
- if (ji->i_acl != JFS_ACL_NOT_CACHED) {
- posix_acl_release(ji->i_acl);
- ji->i_acl = JFS_ACL_NOT_CACHED;
- }
- if (ji->i_default_acl != JFS_ACL_NOT_CACHED) {
- posix_acl_release(ji->i_default_acl);
- ji->i_default_acl = JFS_ACL_NOT_CACHED;
- }
-#endif
-
kmem_cache_free(jfs_inode_cachep, ji);
}
@@ -183,6 +172,9 @@ static void jfs_put_super(struct super_block *sb)
int rc;
jfs_info("In jfs_put_super");
+
+ lock_kernel();
+
rc = jfs_umount(sb);
if (rc)
jfs_err("jfs_umount failed with return code %d", rc);
@@ -195,6 +187,8 @@ static void jfs_put_super(struct super_block *sb)
sbi->direct_inode = NULL;
kfree(sbi);
+
+ unlock_kernel();
}
enum {
@@ -370,19 +364,24 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
s64 newLVSize = 0;
int rc = 0;
int flag = JFS_SBI(sb)->flag;
+ int ret;
if (!parse_options(data, sb, &newLVSize, &flag)) {
return -EINVAL;
}
+ lock_kernel();
if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
printk(KERN_ERR
"JFS: resize requires volume to be mounted read-write\n");
+ unlock_kernel();
return -EROFS;
}
rc = jfs_extendfs(sb, newLVSize, 0);
- if (rc)
+ if (rc) {
+ unlock_kernel();
return rc;
+ }
}
if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
@@ -393,23 +392,31 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
truncate_inode_pages(JFS_SBI(sb)->direct_inode->i_mapping, 0);
JFS_SBI(sb)->flag = flag;
- return jfs_mount_rw(sb, 1);
+ ret = jfs_mount_rw(sb, 1);
+ unlock_kernel();
+ return ret;
}
if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
rc = jfs_umount_rw(sb);
JFS_SBI(sb)->flag = flag;
+ unlock_kernel();
return rc;
}
if ((JFS_SBI(sb)->flag & JFS_NOINTEGRITY) != (flag & JFS_NOINTEGRITY))
if (!(sb->s_flags & MS_RDONLY)) {
rc = jfs_umount_rw(sb);
- if (rc)
+ if (rc) {
+ unlock_kernel();
return rc;
+ }
JFS_SBI(sb)->flag = flag;
- return jfs_mount_rw(sb, 1);
+ ret = jfs_mount_rw(sb, 1);
+ unlock_kernel();
+ return ret;
}
JFS_SBI(sb)->flag = flag;
+ unlock_kernel();
return 0;
}
@@ -720,8 +727,10 @@ static ssize_t jfs_quota_write(struct super_block *sb, int type,
blk++;
}
out:
- if (len == towrite)
+ if (len == towrite) {
+ mutex_unlock(&inode->i_mutex);
return err;
+ }
if (inode->i_size < off+len-towrite)
i_size_write(inode, off+len-towrite);
inode->i_version++;
@@ -777,10 +786,6 @@ static void init_once(void *foo)
init_rwsem(&jfs_ip->xattr_sem);
spin_lock_init(&jfs_ip->ag_lock);
jfs_ip->active_ag = -1;
-#ifdef CONFIG_JFS_POSIX_ACL
- jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
- jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
-#endif
inode_init_once(&jfs_ip->vfs_inode);
}
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 61dfa8173ebc..fad364548bc9 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -727,10 +727,7 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
/*
* We're changing the ACL. Get rid of the cached one
*/
- acl =JFS_IP(inode)->i_acl;
- if (acl != JFS_ACL_NOT_CACHED)
- posix_acl_release(acl);
- JFS_IP(inode)->i_acl = JFS_ACL_NOT_CACHED;
+ forget_cached_acl(inode, ACL_TYPE_ACCESS);
return 0;
} else if (strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0) {
@@ -746,10 +743,7 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
/*
* We're changing the default ACL. Get rid of the cached one
*/
- acl =JFS_IP(inode)->i_default_acl;
- if (acl && (acl != JFS_ACL_NOT_CACHED))
- posix_acl_release(acl);
- JFS_IP(inode)->i_default_acl = JFS_ACL_NOT_CACHED;
+ forget_cached_acl(inode, ACL_TYPE_DEFAULT);
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-06-30 23:04:07 +0000