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-rw-r--r--fs/ext2/super.c13
-rw-r--r--fs/ext3/super.c11
-rw-r--r--fs/ext4/super.c10
-rw-r--r--fs/jfs/super.c10
-rw-r--r--fs/reiserfs/super.c8
-rw-r--r--fs/super.c9
-rw-r--r--fs/udf/super.c25
-rw-r--r--fs/ufs/super.c12
8 files changed, 84 insertions, 14 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 71e9eb1..73346de 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1241,6 +1241,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
spin_unlock(&sbi->s_lock);
return 0;
}
+
/*
* OK, we are remounting a valid rw partition rdonly, so set
* the rdonly flag and then mark the partition as valid again.
@@ -1248,6 +1249,14 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
es->s_state = cpu_to_le16(sbi->s_mount_state);
es->s_mtime = cpu_to_le32(get_seconds());
spin_unlock(&sbi->s_lock);
+
+ err = vfs_dq_off(sb, 1);
+ if (err < 0 && err != -ENOSYS) {
+ err = -EBUSY;
+ spin_lock(&sbi->s_lock);
+ goto restore_opts;
+ }
+
ext2_sync_super(sb, es, 1);
} else {
__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
@@ -1269,8 +1278,12 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
if (!ext2_setup_super (sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
spin_unlock(&sbi->s_lock);
+
ext2_write_super(sb);
+
+ vfs_dq_quota_on_remount(sb);
}
+
return 0;
restore_opts:
sbi->s_mount_opt = old_opts.s_mount_opt;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 0fc1293..d0f8837 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2551,6 +2551,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
ext3_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext3_mount_options old_opts;
+ int enable_quota = 0;
int err;
#ifdef CONFIG_QUOTA
int i;
@@ -2597,6 +2598,12 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
}
if (*flags & MS_RDONLY) {
+ err = vfs_dq_off(sb, 1);
+ if (err < 0 && err != -ENOSYS) {
+ err = -EBUSY;
+ goto restore_opts;
+ }
+
/*
* First of all, the unconditional stuff we have to do
* to disable replay of the journal when we next remount
@@ -2651,6 +2658,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
goto restore_opts;
if (!ext3_setup_super (sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
+ enable_quota = 1;
}
}
#ifdef CONFIG_QUOTA
@@ -2662,6 +2670,9 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
#endif
unlock_super(sb);
unlock_kernel();
+
+ if (enable_quota)
+ vfs_dq_quota_on_remount(sb);
return 0;
restore_opts:
sb->s_flags = old_sb_flags;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e14d22c..fb1e191 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3574,6 +3574,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
ext4_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext4_mount_options old_opts;
+ int enable_quota = 0;
ext4_group_t g;
unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
int err;
@@ -3630,6 +3631,12 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
}
if (*flags & MS_RDONLY) {
+ err = vfs_dq_off(sb, 1);
+ if (err < 0 && err != -ENOSYS) {
+ err = -EBUSY;
+ goto restore_opts;
+ }
+
/*
* First of all, the unconditional stuff we have to do
* to disable replay of the journal when we next remount
@@ -3698,6 +3705,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
if (!ext4_setup_super(sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
+ enable_quota = 1;
}
}
ext4_setup_system_zone(sb);
@@ -3713,6 +3721,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
#endif
unlock_super(sb);
unlock_kernel();
+ if (enable_quota)
+ vfs_dq_quota_on_remount(sb);
return 0;
restore_opts:
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index b66832a..5329d66 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -396,10 +396,20 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
JFS_SBI(sb)->flag = flag;
ret = jfs_mount_rw(sb, 1);
+
+ /* mark the fs r/w for quota activity */
+ sb->s_flags &= ~MS_RDONLY;
+
unlock_kernel();
+ vfs_dq_quota_on_remount(sb);
return ret;
}
if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
+ rc = vfs_dq_off(sb, 1);
+ if (rc < 0 && rc != -ENOSYS) {
+ unlock_kernel();
+ return -EBUSY;
+ }
rc = jfs_umount_rw(sb);
JFS_SBI(sb)->flag = flag;
unlock_kernel();
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 59125fb..49a8ba0 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1242,6 +1242,13 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
if (s->s_flags & MS_RDONLY)
/* it is read-only already */
goto out_ok;
+
+ err = vfs_dq_off(s, 1);
+ if (err < 0 && err != -ENOSYS) {
+ err = -EBUSY;
+ goto out_err;
+ }
+
/* try to remount file system with read-only permissions */
if (sb_umount_state(rs) == REISERFS_VALID_FS
|| REISERFS_SB(s)->s_mount_state != REISERFS_VALID_FS) {
@@ -1295,6 +1302,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
s->s_dirt = 0;
if (!(*mount_flags & MS_RDONLY)) {
+ vfs_dq_quota_on_remount(s);
finish_unfinished(s);
reiserfs_xattr_init(s, *mount_flags);
}
diff --git a/fs/super.c b/fs/super.c
index 69688b1..a38e6e9 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -524,7 +524,7 @@ rescan:
int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
{
int retval;
- int remount_rw, remount_ro;
+ int remount_ro;
if (sb->s_frozen != SB_UNFROZEN)
return -EBUSY;
@@ -540,7 +540,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
sync_filesystem(sb);
remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY);
- remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
/* If we are remounting RDONLY and current sb is read/write,
make sure there are no rw files opened */
@@ -549,9 +548,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
mark_files_ro(sb);
else if (!fs_may_remount_ro(sb))
return -EBUSY;
- retval = vfs_dq_off(sb, 1);
- if (retval < 0 && retval != -ENOSYS)
- return -EBUSY;
}
if (sb->s_op->remount_fs) {
@@ -560,8 +556,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
return retval;
}
sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
- if (remount_rw)
- vfs_dq_quota_on_remount(sb);
+
/*
* Some filesystems modify their metadata via some other path than the
* bdev buffer cache (eg. use a private mapping, or directories in
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 1e4543c..9ab4e25 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -54,6 +54,7 @@
#include <linux/vmalloc.h>
#include <linux/errno.h>
#include <linux/mount.h>
+#include <linux/quotaops.h>
#include <linux/seq_file.h>
#include <linux/bitmap.h>
#include <linux/crc-itu-t.h>
@@ -557,6 +558,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
{
struct udf_options uopt;
struct udf_sb_info *sbi = UDF_SB(sb);
+ int error = 0;
uopt.flags = sbi->s_flags;
uopt.uid = sbi->s_uid;
@@ -582,17 +584,26 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
*flags |= MS_RDONLY;
}
- if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
- unlock_kernel();
- return 0;
- }
- if (*flags & MS_RDONLY)
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ goto out_unlock;
+
+ if (*flags & MS_RDONLY) {
udf_close_lvid(sb);
- else
+
+ error = vfs_dq_off(sb, 1);
+ if (error < 0 && error != -ENOSYS)
+ error = -EBUSY;
+ } else {
udf_open_lvid(sb);
+ /* mark the fs r/w for quota activity */
+ sb->s_flags &= ~MS_RDONLY;
+ vfs_dq_quota_on_remount(sb);
+ }
+
+out_unlock:
unlock_kernel();
- return 0;
+ return error;
}
/* Check Volume Structure Descriptors (ECMA 167 2/9.1) */
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 14743d9..be1f7b0 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1248,7 +1248,9 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
struct ufs_super_block_first * usb1;
struct ufs_super_block_third * usb3;
unsigned new_mount_opt, ufstype;
+ int enable_quota = 0;
unsigned flags;
+ int err;
lock_kernel();
lock_super(sb);
@@ -1289,6 +1291,13 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
* fs was mouted as rw, remounting ro
*/
if (*mount_flags & MS_RDONLY) {
+ err = vfs_dq_off(sb, 1);
+ if (err < 0 && err != -ENOSYS) {
+ unlock_super(sb);
+ unlock_kernel();
+ return -EBUSY;
+ }
+
ufs_put_super_internal(sb);
usb1->fs_time = cpu_to_fs32(sb, get_seconds());
if ((flags & UFS_ST_MASK) == UFS_ST_SUN
@@ -1327,11 +1336,14 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
return -EPERM;
}
sb->s_flags &= ~MS_RDONLY;
+ enable_quota = 1;
#endif
}
UFS_SB(sb)->s_mount_opt = new_mount_opt;
unlock_super(sb);
unlock_kernel();
+ if (enable_quota)
+ vfs_dq_quota_on_remount(sb);
return 0;
}
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