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-rw-r--r--fs/ufs/balloc.c30
-rw-r--r--fs/ufs/ialloc.c17
-rw-r--r--fs/ufs/super.c28
-rw-r--r--fs/ufs/ufs.h1
4 files changed, 33 insertions, 43 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 184323cac1a4..7bc20809c99e 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -52,7 +52,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
- mutex_lock(&UFS_SB(sb)->s_lock);
+ lock_ufs(sb);
cgno = ufs_dtog(uspi, fragment);
bit = ufs_dtogd(uspi, fragment);
@@ -116,12 +116,12 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
ubh_sync_block(UCPI_UBH(ucpi));
ufs_mark_sb_dirty(sb);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT\n");
return;
failed:
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return;
}
@@ -151,7 +151,7 @@ void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
goto failed;
}
- mutex_lock(&UFS_SB(sb)->s_lock);
+ lock_ufs(sb);
do_more:
overflow = 0;
@@ -211,12 +211,12 @@ do_more:
}
ufs_mark_sb_dirty(sb);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT\n");
return;
failed_unlock:
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
failed:
UFSD("EXIT (FAILED)\n");
return;
@@ -357,7 +357,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
usb1 = ubh_get_usb_first(uspi);
*err = -ENOSPC;
- mutex_lock(&UFS_SB(sb)->s_lock);
+ lock_ufs(sb);
tmp = ufs_data_ptr_to_cpu(sb, p);
if (count + ufs_fragnum(fragment) > uspi->s_fpb) {
@@ -378,19 +378,19 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
"fragment %llu, tmp %llu\n",
(unsigned long long)fragment,
(unsigned long long)tmp);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
return INVBLOCK;
}
if (fragment < UFS_I(inode)->i_lastfrag) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
return 0;
}
}
else {
if (tmp) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
return 0;
}
}
@@ -399,7 +399,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
* There is not enough space for user on the device
*/
if (!capable(CAP_SYS_RESOURCE) && ufs_freespace(uspi, UFS_MINFREE) <= 0) {
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return 0;
}
@@ -424,7 +424,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
ufs_clear_frags(inode, result + oldcount,
newcount - oldcount, locked_page != NULL);
}
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -439,7 +439,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
fragment + count);
ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
locked_page != NULL);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -477,7 +477,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
*err = 0;
UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag,
fragment + count);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
if (newcount < request)
ufs_free_fragments (inode, result + newcount, request - newcount);
ufs_free_fragments (inode, tmp, oldcount);
@@ -485,7 +485,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
return result;
}
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return 0;
}
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 98f7211599ff..a9cc75ffa925 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -69,11 +69,11 @@ void ufs_free_inode (struct inode * inode)
ino = inode->i_ino;
- mutex_lock(&UFS_SB(sb)->s_lock);
+ lock_ufs(sb);
if (!((ino > 1) && (ino < (uspi->s_ncg * uspi->s_ipg )))) {
ufs_warning(sb, "ufs_free_inode", "reserved inode or nonexistent inode %u\n", ino);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
return;
}
@@ -81,7 +81,7 @@ void ufs_free_inode (struct inode * inode)
bit = ufs_inotocgoff (ino);
ucpi = ufs_load_cylinder (sb, cg);
if (!ucpi) {
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
return;
}
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
@@ -115,7 +115,7 @@ void ufs_free_inode (struct inode * inode)
ubh_sync_block(UCPI_UBH(ucpi));
ufs_mark_sb_dirty(sb);
- mutex_unlock(&UFS_SB(sb)->s_lock);
+ unlock_ufs(sb);
UFSD("EXIT\n");
}
@@ -193,7 +193,7 @@ struct inode *ufs_new_inode(struct inode *dir, umode_t mode)
sbi = UFS_SB(sb);
uspi = sbi->s_uspi;
- mutex_lock(&sbi->s_lock);
+ lock_ufs(sb);
/*
* Try to place the inode in its parent directory
@@ -328,21 +328,20 @@ cg_found:
sync_dirty_buffer(bh);
brelse(bh);
}
-
- mutex_unlock(&sbi->s_lock);
+ unlock_ufs(sb);
UFSD("allocating inode %lu\n", inode->i_ino);
UFSD("EXIT\n");
return inode;
fail_remove_inode:
- mutex_unlock(&sbi->s_lock);
+ unlock_ufs(sb);
clear_nlink(inode);
iput(inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
failed:
- mutex_unlock(&sbi->s_lock);
+ unlock_ufs(sb);
make_bad_inode(inode);
iput (inode);
UFSD("EXIT (FAILED): err %d\n", err);
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index c1183f9f69dc..b879f1ba3439 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -697,7 +697,6 @@ static int ufs_sync_fs(struct super_block *sb, int wait)
unsigned flags;
lock_ufs(sb);
- mutex_lock(&UFS_SB(sb)->s_lock);
UFSD("ENTER\n");
@@ -715,7 +714,6 @@ static int ufs_sync_fs(struct super_block *sb, int wait)
ufs_put_cstotal(sb);
UFSD("EXIT\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
@@ -760,6 +758,7 @@ static void ufs_put_super(struct super_block *sb)
ubh_brelse_uspi (sbi->s_uspi);
kfree (sbi->s_uspi);
+ mutex_destroy(&sbi->mutex);
kfree (sbi);
sb->s_fs_info = NULL;
UFSD("EXIT\n");
@@ -786,6 +785,14 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
flags = 0;
UFSD("ENTER\n");
+
+#ifndef CONFIG_UFS_FS_WRITE
+ if (!(sb->s_flags & MS_RDONLY)) {
+ printk("ufs was compiled with read-only support, "
+ "can't be mounted as read-write\n");
+ return -EROFS;
+ }
+#endif
sbi = kzalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
if (!sbi)
@@ -795,15 +802,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY));
-#ifndef CONFIG_UFS_FS_WRITE
- if (!(sb->s_flags & MS_RDONLY)) {
- printk("ufs was compiled with read-only support, "
- "can't be mounted as read-write\n");
- goto failed;
- }
-#endif
mutex_init(&sbi->mutex);
- mutex_init(&sbi->s_lock);
spin_lock_init(&sbi->work_lock);
INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs);
/*
@@ -1257,6 +1256,7 @@ magic_found:
return 0;
failed:
+ mutex_destroy(&sbi->mutex);
if (ubh)
ubh_brelse_uspi (uspi);
kfree (uspi);
@@ -1280,7 +1280,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
sync_filesystem(sb);
lock_ufs(sb);
- mutex_lock(&UFS_SB(sb)->s_lock);
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
usb1 = ubh_get_usb_first(uspi);
@@ -1294,7 +1293,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
new_mount_opt = 0;
ufs_set_opt (new_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options (data, &new_mount_opt)) {
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
@@ -1302,14 +1300,12 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
new_mount_opt |= ufstype;
} else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
printk("ufstype can't be changed during remount\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
}
@@ -1334,7 +1330,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
#ifndef CONFIG_UFS_FS_WRITE
printk("ufs was compiled with read-only support, "
"can't be mounted as read-write\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
#else
@@ -1344,13 +1339,11 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
ufstype != UFS_MOUNT_UFSTYPE_SUNx86 &&
ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
printk("this ufstype is read-only supported\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EINVAL;
}
if (!ufs_read_cylinder_structures(sb)) {
printk("failed during remounting\n");
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return -EPERM;
}
@@ -1358,7 +1351,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
#endif
}
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- mutex_unlock(&UFS_SB(sb)->s_lock);
unlock_ufs(sb);
return 0;
}
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index ff2c15ab81aa..343e6fc571e5 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -24,7 +24,6 @@ struct ufs_sb_info {
int work_queued; /* non-zero if the delayed work is queued */
struct delayed_work sync_work; /* FS sync delayed work */
spinlock_t work_lock; /* protects sync_work and work_queued */
- struct mutex s_lock;
};
struct ufs_inode_info {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 19:06:18 +0000