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authorDarrick J. Wong <darrick.wong@oracle.com>2018-10-30 10:41:21 +1100
committerDave Chinner <david@fromorbit.com>2018-10-30 10:41:21 +1100
commit2e5dfc99f2e61c42083ba742395e7a7b353513d1 (patch)
tree48bc800424405b56153ed8c8997847c8ed9aaf14 /fs/nfs/nfs4file.c
parent6095028b455d775e369ae27875f698ff0f6fdeb8 (diff)
vfs: combine the clone and dedupe into a single remap_file_range
Combine the clone_file_range and dedupe_file_range operations into a single remap_file_range file operation dispatch since they're fundamentally the same operation. The differences between the two can be made in the prep functions. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/nfs/nfs4file.c')
-rw-r--r--fs/nfs/nfs4file.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 4288a6ecaf75..ae5780ce41dc 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -180,8 +180,9 @@ static long nfs42_fallocate(struct file *filep, int mode, loff_t offset, loff_t
return nfs42_proc_allocate(filep, offset, len);
}
-static int nfs42_clone_file_range(struct file *src_file, loff_t src_off,
- struct file *dst_file, loff_t dst_off, u64 count)
+static int nfs42_remap_file_range(struct file *src_file, loff_t src_off,
+ struct file *dst_file, loff_t dst_off, u64 count,
+ unsigned int remap_flags)
{
struct inode *dst_inode = file_inode(dst_file);
struct nfs_server *server = NFS_SERVER(dst_inode);
@@ -190,6 +191,9 @@ static int nfs42_clone_file_range(struct file *src_file, loff_t src_off,
bool same_inode = false;
int ret;
+ if (remap_flags & ~REMAP_FILE_ADVISORY)
+ return -EINVAL;
+
/* check alignment w.r.t. clone_blksize */
ret = -EINVAL;
if (bs) {
@@ -262,7 +266,7 @@ const struct file_operations nfs4_file_operations = {
.copy_file_range = nfs4_copy_file_range,
.llseek = nfs4_file_llseek,
.fallocate = nfs42_fallocate,
- .clone_file_range = nfs42_clone_file_range,
+ .remap_file_range = nfs42_remap_file_range,
#else
.llseek = nfs_file_llseek,
#endif