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-rw-r--r--fs/quota/dquot.c3
-rw-r--r--include/linux/quotaops.h12
2 files changed, 14 insertions, 1 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 8c40c07797ad..df6832ec17c3 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1494,6 +1494,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
char warntype[MAXQUOTAS];
int warn = flags & DQUOT_SPACE_WARN;
int reserve = flags & DQUOT_SPACE_RESERVE;
+ int nofail = flags & DQUOT_SPACE_NOFAIL;
/*
* First test before acquiring mutex - solves deadlocks when we
@@ -1514,7 +1515,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
continue;
ret = check_bdq(inode->i_dquot[cnt], number, !warn,
warntype+cnt);
- if (ret) {
+ if (ret && !nofail) {
spin_unlock(&dq_data_lock);
goto out_flush_warn;
}
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 9edd53c24984..f8dbeb0fe0c9 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -11,6 +11,7 @@
#define DQUOT_SPACE_WARN 0x1
#define DQUOT_SPACE_RESERVE 0x2
+#define DQUOT_SPACE_NOFAIL 0x4
static inline struct quota_info *sb_dqopt(struct super_block *sb)
{
@@ -262,6 +263,12 @@ static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
}
+static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
+{
+ __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN|DQUOT_SPACE_NOFAIL);
+ mark_inode_dirty(inode);
+}
+
static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
{
int ret;
@@ -277,6 +284,11 @@ static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
}
+static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
+{
+ dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
+}
+
static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
{
return dquot_alloc_space(inode, nr << inode->i_blkbits);