diff options
Diffstat (limited to 'fs/nfs/nfs4file.c')
| -rw-r--r-- | fs/nfs/nfs4file.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 1cd9652f3c28..5e9d66f3466c 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -225,8 +225,14 @@ static long nfs42_fallocate(struct file *filep, int mode, loff_t offset, loff_t if (!S_ISREG(inode->i_mode)) return -EOPNOTSUPP; - if ((mode != 0) && (mode != (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE))) + switch (mode) { + case 0: + case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + case FALLOC_FL_ZERO_RANGE: + break; + default: return -EOPNOTSUPP; + } ret = inode_newsize_ok(inode, offset + len); if (ret < 0) @@ -234,6 +240,8 @@ static long nfs42_fallocate(struct file *filep, int mode, loff_t offset, loff_t if (mode & FALLOC_FL_PUNCH_HOLE) return nfs42_proc_deallocate(filep, offset, len); + else if (mode & FALLOC_FL_ZERO_RANGE) + return nfs42_proc_zero_range(filep, offset ,len); return nfs42_proc_allocate(filep, offset, len); } |