Thread (6 messages) 6 messages, 3 authors, 2021-02-25

Re: [PATCH u-boot 2/2] fs: btrfs: change directory list output to be aligned as before

From: Qu Wenruo <hidden>
Date: 2021-02-10 00:33:43
Also in: u-boot


On 2021/2/10 上午2:05, Marek Behún wrote:
Since commit 325dd1f642dd ("fs: btrfs: Use btrfs_iter_dir() to ...")
when btrfs is listing a directory, the output is not aligned:

   <SYMLINK>         15  Wed Sep 09 13:20:03 2020  boot.scr -> @/boot/boot.scr
   <DIR>          0  Tue Feb 02 12:42:09 2021  @
   <FILE>        108  Tue Feb 02 12:54:04 2021  1.info

Return back to how it was displayed previously, i.e.:

   <SYM>         15  Wed Sep 09 13:20:03 2020  boot.scr -> @/boot/boot.scr
   <DIR>          0  Tue Feb 02 12:42:09 2021  @
   <   >        108  Tue Feb 02 12:54:04 2021  1.info

Instead of '<FILE>', print '<   >', as ext4 driver.

If an unknown directory item type is encountered, we will print the type
number left padded with spaces, enclosed by '?', instead of '<' and '>',
i.e.:

   ? 30?        .............................  name

Signed-off-by: Marek Behún <redacted>
Fixes: 325dd1f642dd ("fs: btrfs: Use btrfs_iter_dir() to replace ...")
Cc: David Sterba <dsterba@suse.com>
Cc: Qu Wenruo <redacted>
Cc: Tom Rini <redacted>
Reviewed-by: Qu Wenruo <redacted>

quoted hunk ↗ jump to hunk
---
  fs/btrfs/btrfs.c | 14 +++++++-------
  1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/btrfs/btrfs.c b/fs/btrfs/btrfs.c
index 6b4c5feb53..52a243a659 100644
--- a/fs/btrfs/btrfs.c
+++ b/fs/btrfs/btrfs.c
@@ -22,13 +22,13 @@ static int show_dir(struct btrfs_root *root, struct extent_buffer *eb,
  	struct btrfs_inode_item ii;
  	struct btrfs_key key;
  	static const char* dir_item_str[] = {
-		[BTRFS_FT_REG_FILE]	= "FILE",
+		[BTRFS_FT_REG_FILE]	= "   ",
  		[BTRFS_FT_DIR] 		= "DIR",
-		[BTRFS_FT_CHRDEV]	= "CHRDEV",
-		[BTRFS_FT_BLKDEV]	= "BLKDEV",
-		[BTRFS_FT_FIFO]		= "FIFO",
-		[BTRFS_FT_SOCK]		= "SOCK",
-		[BTRFS_FT_SYMLINK]	= "SYMLINK",
+		[BTRFS_FT_CHRDEV]	= "CHR",
+		[BTRFS_FT_BLKDEV]	= "BLK",
+		[BTRFS_FT_FIFO]		= "FIF",
+		[BTRFS_FT_SOCK]		= "SCK",
+		[BTRFS_FT_SYMLINK]	= "SYM",
Since btrfs-progs also use similar output for its dump-tree, I guess
it's also possible to use the similar 3 chars output, except the FILE.

Thanks,
Qu
quoted hunk ↗ jump to hunk
  	};
  	u8 type = btrfs_dir_type(eb, di);
  	char namebuf[BTRFS_NAME_LEN];
@@ -93,7 +93,7 @@ static int show_dir(struct btrfs_root *root, struct extent_buffer *eb,
  	if (type < ARRAY_SIZE(dir_item_str) && dir_item_str[type])
  		printf("<%s> ", dir_item_str[type]);
  	else
-		printf("DIR_ITEM.%u", type);
+		printf("?%3u? ", type);
  	if (type == BTRFS_FT_CHRDEV || type == BTRFS_FT_BLKDEV) {
  		ASSERT(key.type == BTRFS_INODE_ITEM_KEY);
  		printf("%4llu,%5llu  ", btrfs_stack_inode_rdev(&ii) >> 20,
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