vfs: add cross-rename

If flags contain RENAME_EXCHANGE then exchange source and destination files. There's no restriction on the type of the files; e.g. a directory can be exchanged with a symlink.

Miklos Szeredi committed 12 years ago

Commit da1ce061 parent 4fd699a5 files · +131 −41Browse files

Showing the changes to include/uapi/linux (1 of 5 files). Show all

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include/uapi/linux/fs.h+1−0

@@ -36,6 +36,7 @@ · 35 unmodified lines
36	36	#define SEEK_MAX SEEK_HOLE
37	37
38	38	#define RENAME_NOREPLACE (1 << 0) /* Don't overwrite target */
	39	+#define RENAME_EXCHANGE (1 << 1) /* Exchange source and dest */
39	40
40	41	struct fstrim_range {
41	42	__u64 start;