Re: [PATCH 2/6] fs: add rename infrastructure

On 22.01.25 06:32, Gabriel Dalimonte wrote:

Signed-off-by: Gabriel Dalimonte gabriel.dalimonte@gmail.com

Please, add a commit message.

fs/fs.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ include/fs.h | 13 +++++++++++++ 2 files changed, 60 insertions(+)

diff --git a/fs/fs.c b/fs/fs.c index 99ddcc5e37..160a43c957 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -143,6 +143,12 @@ static inline int fs_mkdir_unsupported(const char *dirname) return -1; }

+static inline int fs_rename_unsupported(const char *old_path,

• 			const char *new_path)
  

+{

• return -1;

+}

• struct fstype_info { int fstype; char *name;

@@ -183,6 +189,7 @@ struct fstype_info { int (*unlink)(const char *filename); int (*mkdir)(const char *dirname); int (*ln)(const char *filename, const char *target);

• int (*rename)(const char *old_path, const char *new_path); };

  static struct fstype_info fstypes[] = {

@@ -206,6 +213,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, #endif

• .rename = fs_rename_unsupported,
  

  .uuid = fat_uuid, .opendir = fat_opendir, .readdir = fat_readdir,

@@ -238,6 +246,7 @@ static struct fstype_info fstypes[] = { .closedir = ext4fs_closedir, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #if IS_ENABLED(CONFIG_SANDBOX) && !IS_ENABLED(CONFIG_XPL_BUILD)

@@ -257,6 +266,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #if CONFIG_IS_ENABLED(SEMIHOSTING)

@@ -276,6 +286,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #ifndef CONFIG_XPL_BUILD

@@ -296,6 +307,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #endif

@@ -317,6 +329,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #endif

@@ -339,6 +352,7 @@ static struct fstype_info fstypes[] = { .ln = fs_ln_unsupported, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif #if IS_ENABLED(CONFIG_FS_EROFS)

@@ -360,6 +374,7 @@ static struct fstype_info fstypes[] = { .ln = fs_ln_unsupported, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported,

• .rename = fs_rename_unsupported,
  

  }, #endif {

@@ -378,6 +393,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported,

• .rename = fs_rename_unsupported,
  

  }, };

@@ -713,6 +729,22 @@ int fs_ln(const char *fname, const char *target) return ret; }

+int fs_rename(const char *old_path, const char *new_path) +{

• struct fstype_info *info = fs_get_info(fs_type);
• int ret;
• ret = info->rename(old_path, new_path);
• if (ret < 0) {

• log_err("** Unable to rename %s -> %s **\n", old_path, new_path);
  

We should not write messages by default. This will may lead to output layout in EFI applications looking wrong.

log_debug() would be adequate.

We don't need the "** " first characters.

Otherwise the patch looks good to me.

Best regards

Heinrich

• ret = -1;
  

• }
• fs_close();
• return ret;

+}

• int do_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype) {

@@ -975,6 +1007,21 @@ int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], return 0; }

+int do_rename(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],

•      int fstype)
  

+{

• if (argc != 5)

• return CMD_RET_USAGE;
  

• if (fs_set_blk_dev(argv[1], argv[2], fstype))

• return 1;
  

• if (fs_rename(argv[3], argv[4]))

• return 1;
  

• return 0;

+}

• int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) { struct fstype_info *drv = fstypes;

diff --git a/include/fs.h b/include/fs.h index 2474880385..24b121f55d 100644 --- a/include/fs.h +++ b/include/fs.h @@ -270,6 +270,17 @@ int fs_unlink(const char *filename); */ int fs_mkdir(const char *filename);

+/**

• • fs_rename - rename a file or directory
• • @old_path: existing path of the file/directory to rename
• • @new_path: new path of the file/directory. If this points to an existing
• • file or empty directory, the existing file/directory will be unlinked.
• • Return: 0 on success, -1 on error conditions
• */

+int fs_rename(const char *old_path, const char *new_path);

• /*
  • Common implementation for various filesystem commands, optionally limited
  • to a specific filesystem type via the fstype parameter.

@@ -290,6 +301,8 @@ int do_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype); int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype); +int do_rename(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],

•      int fstype);
  
  

  /*

  • Determine the UUID of the specified filesystem and print it. Optionally it is