Pass credentials through the quota_write() op.
Signed-off-by: David Howells <[email protected]>
---
fs/ext3/super.c | 7 ++++---
fs/quota_v2.c | 9 ++++++---
include/linux/fs.h | 3 ++-
3 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 208065a..348bb6b 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -617,7 +617,8 @@ static int ext3_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off, struct cred *cred);
static ssize_t ext3_quota_write(struct super_block *sb, int type,
- const char *data, size_t len, loff_t off);
+ const char *data, size_t len, loff_t off,
+ struct cred *cred);
static struct dquot_operations ext3_quota_operations = {
.initialize = ext3_dquot_initialize,
@@ -2709,9 +2710,9 @@ static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
/* Write to quotafile (we know the transaction is already started and has
* enough credits) */
static ssize_t ext3_quota_write(struct super_block *sb, int type,
- const char *data, size_t len, loff_t off)
+ const char *data, size_t len, loff_t off,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode *inode = sb_dqopt(sb)->files[type];
sector_t blk = off >> EXT3_BLOCK_SIZE_BITS(sb);
int err = 0;
diff --git a/fs/quota_v2.c b/fs/quota_v2.c
index d4c5ba8..c259bc4 100644
--- a/fs/quota_v2.c
+++ b/fs/quota_v2.c
@@ -74,6 +74,7 @@ static int v2_read_file_info(struct super_block *sb, int type)
/* Write information header to quota file */
static int v2_write_file_info(struct super_block *sb, int type)
{
+ struct cred *cred = &init_cred;
struct v2_disk_dqinfo dinfo;
struct mem_dqinfo *info = sb_dqopt(sb)->info+type;
ssize_t size;
@@ -88,7 +89,7 @@ static int v2_write_file_info(struct super_block *sb, int type)
dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.dqi_free_blk);
dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.dqi_free_entry);
size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
- sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
+ sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF, cred);
if (size != sizeof(struct v2_disk_dqinfo)) {
printk(KERN_WARNING "Can't write info structure on device %s.\n",
sb->s_id);
@@ -145,8 +146,9 @@ static inline ssize_t read_blk(struct super_block *sb, int type, uint blk, dqbuf
static inline ssize_t write_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf)
{
+ struct cred *cred = &init_cred;
return sb->s_op->quota_write(sb, type, (char *)buf,
- V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS);
+ V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS, cred);
}
/* Remove empty block from list and return it */
@@ -394,6 +396,7 @@ static inline int dq_insert_tree(struct dquot *dquot)
*/
static int v2_write_dquot(struct dquot *dquot)
{
+ struct cred *cred = &init_cred;
int type = dquot->dq_type;
ssize_t ret;
struct v2_disk_dqblk ddquot, empty;
@@ -414,7 +417,7 @@ static int v2_write_dquot(struct dquot *dquot)
ddquot.dqb_itime = cpu_to_le64(1);
spin_unlock(&dq_data_lock);
ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type,
- (char *)&ddquot, sizeof(struct v2_disk_dqblk), dquot->dq_off);
+ (char *)&ddquot, sizeof(struct v2_disk_dqblk), dquot->dq_off, cred);
if (ret != sizeof(struct v2_disk_dqblk)) {
printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", dquot->dq_sb->s_id);
if (ret >= 0)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6d52f69..88f9e49 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1207,7 +1207,8 @@ struct super_operations {
#ifdef CONFIG_QUOTA
ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t,
struct cred *);
- ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
+ ssize_t (*quota_write)(struct super_block *, int, const char *, size_t,
+ loff_t, struct cred *);
#endif
};
-
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