diff options
| -rw-r--r-- | fs/btrfs/ctree.h | 3 | ||||
| -rw-r--r-- | fs/btrfs/file.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.c | 12 | ||||
| -rw-r--r-- | fs/read_write.c | 27 | ||||
| -rw-r--r-- | fs/xfs/xfs_file.c | 19 |
5 files changed, 22 insertions, 40 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0b8ce2b9f7d0..05f75a949af4 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3232,9 +3232,6 @@ int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode, loff_t pos, size_t write_bytes, struct extent_state **cached); int btrfs_fdatawrite_range(struct inode *inode, loff_t start, loff_t end); -ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in, - struct file *file_out, loff_t pos_out, - size_t len, unsigned int flags); int btrfs_clone_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, u64 len); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 3a14c87d9c92..991cc991fd29 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2998,7 +2998,6 @@ const struct file_operations btrfs_file_operations = { #ifdef CONFIG_COMPAT .compat_ioctl = btrfs_compat_ioctl, #endif - .copy_file_range = btrfs_copy_file_range, .clone_file_range = btrfs_clone_file_range, .dedupe_file_range = btrfs_dedupe_file_range, }; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7acbd2cf6192..dab746298758 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3980,18 +3980,6 @@ out_unlock: return ret; } -ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in, - struct file *file_out, loff_t pos_out, - size_t len, unsigned int flags) -{ - ssize_t ret; - - ret = btrfs_clone_files(file_out, file_in, pos_in, len, pos_out); - if (ret == 0) - ret = len; - return ret; -} - int btrfs_clone_file_range(struct file *src_file, loff_t off, struct file *dst_file, loff_t destoff, u64 len) { diff --git a/fs/read_write.c b/fs/read_write.c index 190e0d362581..6674a4b83c54 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1542,20 +1542,37 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in, if (ret) return ret; - ret = -EOPNOTSUPP; - if (file_out->f_op->copy_file_range) + /* + * 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 (ret == 0) { + ret = len; + goto done; + } + } + + if (file_out->f_op->copy_file_range) { ret = file_out->f_op->copy_file_range(file_in, pos_in, file_out, pos_out, len, flags); - if (ret == -EOPNOTSUPP) - ret = do_splice_direct(file_in, &pos_in, file_out, &pos_out, - len > MAX_RW_COUNT ? MAX_RW_COUNT : len, 0); + if (ret != -EOPNOTSUPP) + goto done; + } + ret = do_splice_direct(file_in, &pos_in, file_out, &pos_out, + len > MAX_RW_COUNT ? MAX_RW_COUNT : len, 0); + +done: if (ret > 0) { fsnotify_access(file_in); add_rchar(current, ret); fsnotify_modify(file_out); add_wchar(current, ret); } + inc_syscr(current); inc_syscw(current); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 6e4f7f900fea..86ecc9b49e15 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -909,24 +909,6 @@ out_unlock: return error; } -STATIC ssize_t -xfs_file_copy_range( - struct file *file_in, - loff_t pos_in, - struct file *file_out, - loff_t pos_out, - size_t len, - unsigned int flags) -{ - int error; - - error = xfs_reflink_remap_range(file_in, pos_in, file_out, pos_out, - len, false); - if (error) - return error; - return len; -} - STATIC int xfs_file_clone_range( struct file *file_in, @@ -1625,7 +1607,6 @@ const struct file_operations xfs_file_operations = { .fsync = xfs_file_fsync, .get_unmapped_area = thp_get_unmapped_area, .fallocate = xfs_file_fallocate, - .copy_file_range = xfs_file_copy_range, .clone_file_range = xfs_file_clone_range, .dedupe_file_range = xfs_file_dedupe_range, }; |