From: Jaegeuk Kim <jaeg...@google.com>
Signed-off-by: Jaegeuk Kim <jaeg...@google.com>
---
tools/f2fs_io/f2fs_io.c | 91 +++++++++++++++++++++++++++++++++++++++++
tools/f2fs_io/f2fs_io.h | 14 +++++++
2 files changed, 105 insertions(+)
diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index 6b43778..b57c458 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -45,6 +45,95 @@ struct cmd_desc {
int cmd_flags;
};
+#define getflags_desc "getflags ioctl"
+#define getflags_help \
+"f2fs_io getflags [file]\n\n" \
+"get a flag given the file\n" \
+"flag can show \n" \
+" casefold\n" \
+" compression\n" \
+" nocompression\n"
+
+static void do_getflags(int argc, char **argv, const struct cmd_desc *cmd)
+{
+ long flag;
+ int ret, fd;
+ int exist = 0;
+
+ if (argc != 2) {
+ fputs("Excess arguments\n\n", stderr);
+ fputs(cmd->cmd_help, stderr);
+ exit(1);
+ }
+
+ fd = open(argv[1], O_RDONLY);
+ if (fd == -1) {
+ fputs("Open failed\n\n", stderr);
+ fputs(cmd->cmd_help, stderr);
+ exit(1);
+ }
+ ret = ioctl(fd, F2FS_IOC_GETFLAGS, &flag);
+ printf("get a flag on %s ret=%d, flags=", argv[1], ret);
+ if (flag & FS_CASEFOLD_FL) {
+ printf("casefold");
+ exist = 1;
+ }
+ if (flag & FS_COMPR_FL) {
+ if (exist)
+ printf(",");
+ printf("compression");
+ exist = 1;
+ }
+ if (flag & FS_NOCOMP_FL) {
+ if (exist)
+ printf(",");
+ printf("nocompression");
+ exist = 1;
+ }
+ if (!exist)
+ printf("none");
+ printf("\n");
+ exit(0);
+}
+
+#define setflags_desc "setflags ioctl"
+#define setflags_help \
+"f2fs_io setflags [flag] [file]\n\n" \
+"set a flag given the file\n" \
+"flag can be\n" \
+" casefold\n" \
+" compression\n" \
+" nocompression\n"
+
+static void do_setflags(int argc, char **argv, const struct cmd_desc *cmd)
+{
+ long flag;
+ int ret, fd;
+
+ if (argc != 3) {
+ fputs("Excess arguments\n\n", stderr);
+ fputs(cmd->cmd_help, stderr);
+ exit(1);
+ }
+
+ fd = open(argv[2], O_RDONLY);
+ if (fd == -1) {
+ fputs("Open failed\n\n", stderr);
+ fputs(cmd->cmd_help, stderr);
+ exit(1);
+ }
+ if (!strcmp(argv[1], "casefold"))
+ flag = FS_CASEFOLD_FL;
+ else if (!strcmp(argv[1], "compression"))
+ flag = FS_COMPR_FL;
+ else if (!strcmp(argv[1], "nocompression"))
+ flag = FS_NOCOMP_FL;
+
+ ret = ioctl(fd, F2FS_IOC_SETFLAGS, &flag);
+ printf("set a flag: %s ret=%d\n", argv[2], ret);
+ exit(0);
+}
+
#define shutdown_desc "shutdown filesystem"
#define shutdown_help \
"f2fs_io shutdown [level] [dir]\n\n" \
@@ -488,6 +577,8 @@ static void do_defrag_file(int argc, char **argv, const
struct cmd_desc *cmd)
static void do_help(int argc, char **argv, const struct cmd_desc *cmd);
const struct cmd_desc cmd_list[] = {
_CMD(help),
+ CMD(getflags),
+ CMD(setflags),
CMD(shutdown),
CMD(pinfile),
CMD(fallocate),
diff --git a/tools/f2fs_io/f2fs_io.h b/tools/f2fs_io/f2fs_io.h
index 95fd5be..5768c1b 100644
--- a/tools/f2fs_io/f2fs_io.h
+++ b/tools/f2fs_io/f2fs_io.h
@@ -41,9 +41,13 @@ typedef u32 __be32;
#ifndef FS_IOC_GETFLAGS
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#endif
+#ifndef FS_IOC_SETFLAGS
+#define FS_IOC_SETFLAGS _IOW('f', 2, long)
+#endif
#define F2FS_IOCTL_MAGIC 0xf5
#define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
+#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
#define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
@@ -98,6 +102,16 @@ typedef u32 __be32;
#define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
#define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
+#ifndef FS_NOCOMP_FL
+#define FS_NOCOMP_FL 0x00000400 /* Don't compress */
+#endif
+#ifndef FS_COMPR_FL
+#define FS_COMPR_FL 0x00000004 /* Compress file */
+#endif
+#ifndef FS_CASEFOLD_FL
+#define FS_CASEFOLD_FL 0x40000000 /* Folder is case
insensitive */
+#endif
+
struct f2fs_gc_range {
u32 sync;
u64 start;
--
2.19.0.605.g01d371f741-goog
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