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authorDarrick J. Wong <darrick.wong@oracle.com>2018-10-30 00:41:21 +0100
committerDave Chinner <david@fromorbit.com>2018-10-30 00:41:21 +0100
commit2e5dfc99f2e61c42083ba742395e7a7b353513d1 (patch)
tree48bc800424405b56153ed8c8997847c8ed9aaf14 /fs/read_write.c
parentvfs: rename clone_verify_area to remap_verify_area (diff)
downloadlinux-2e5dfc99f2e61c42083ba742395e7a7b353513d1.tar.xz
linux-2e5dfc99f2e61c42083ba742395e7a7b353513d1.zip
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/read_write.c')
-rw-r--r--fs/read_write.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 734c5661fb69..766bdcb381f3 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1588,9 +1588,9 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,
* Try cloning first, this is supported by more file systems, and
* more efficient if both clone and copy are supported (e.g. NFS).
*/
- if (file_in->f_op->clone_file_range) {
- ret = file_in->f_op->clone_file_range(file_in, pos_in,
- file_out, pos_out, len);
+ if (file_in->f_op->remap_file_range) {
+ ret = file_in->f_op->remap_file_range(file_in, pos_in,
+ file_out, pos_out, len, 0);
if (ret == 0) {
ret = len;
goto done;
@@ -1849,7 +1849,7 @@ int do_clone_file_range(struct file *file_in, loff_t pos_in,
(file_out->f_flags & O_APPEND))
return -EBADF;
- if (!file_in->f_op->clone_file_range)
+ if (!file_in->f_op->remap_file_range)
return -EOPNOTSUPP;
ret = remap_verify_area(file_in, pos_in, len, false);
@@ -1860,8 +1860,8 @@ int do_clone_file_range(struct file *file_in, loff_t pos_in,
if (ret)
return ret;
- ret = file_in->f_op->clone_file_range(file_in, pos_in,
- file_out, pos_out, len);
+ ret = file_in->f_op->remap_file_range(file_in, pos_in,
+ file_out, pos_out, len, 0);
if (!ret) {
fsnotify_access(file_in);
fsnotify_modify(file_out);
@@ -2006,7 +2006,7 @@ int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
goto out_drop_write;
ret = -EINVAL;
- if (!dst_file->f_op->dedupe_file_range)
+ if (!dst_file->f_op->remap_file_range)
goto out_drop_write;
if (len == 0) {
@@ -2014,8 +2014,8 @@ int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
goto out_drop_write;
}
- ret = dst_file->f_op->dedupe_file_range(src_file, src_pos,
- dst_file, dst_pos, len);
+ ret = dst_file->f_op->remap_file_range(src_file, src_pos, dst_file,
+ dst_pos, len, REMAP_FILE_DEDUP);
out_drop_write:
mnt_drop_write_file(dst_file);