[PATCH 3/4] btrfs-progs: print-tree: Print human readable inode flags
From: Qu Wenruo <hidden>
Date: 2016-08-19 08:14:30
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Qu Wenruo <redacted> --- print-tree.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/print-tree.c b/print-tree.c
index 9f9e11e..f33ddad 100644
--- a/print-tree.c
+++ b/print-tree.c@@ -835,6 +835,33 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset, } } +/* Caller should ensure sizeof(*ret) >= 29 "NODATASUM|NODATACOW|READONLY" */ +static void inode_flags_to_str(u64 flags, char *ret) +{ + int empty = 1; + + if (flags & BTRFS_INODE_NODATASUM) { + empty = 0; + strcpy(ret, "NODATASUM"); + } + if (flags & BTRFS_INODE_NODATACOW) { + if (!empty) { + empty = 0; + strcat(ret, "|"); + } + strcat(ret, "NODATACOW"); + } + if (flags & BTRFS_INODE_READONLY) { + if (!empty) { + empty = 0; + strcat(ret, "|"); + } + strcat(ret, "READONLY"); + } + if (empty) + strcat(ret, "none"); +} + void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) { int i;
@@ -884,10 +911,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) switch (type) { case BTRFS_INODE_ITEM_KEY: + memset(flags_str, 0, sizeof(flags_str)); ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); + inode_flags_to_str(btrfs_inode_flags(l, ii), flags_str); printf("\t\tinode generation %llu transid %llu size %llu nbytes %llu\n" "\t\tblock group %llu mode %o links %u uid %u gid %u\n" - "\t\trdev %llu flags 0x%llx\n", + "\t\trdev %llu flags 0x%llx(%s)\n", (unsigned long long)btrfs_inode_generation(l, ii), (unsigned long long)btrfs_inode_transid(l, ii), (unsigned long long)btrfs_inode_size(l, ii),
@@ -898,7 +927,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) btrfs_inode_uid(l, ii), btrfs_inode_gid(l, ii), (unsigned long long)btrfs_inode_rdev(l,ii), - (unsigned long long)btrfs_inode_flags(l,ii)); + (unsigned long long)btrfs_inode_flags(l,ii), + flags_str); break; case BTRFS_INODE_REF_KEY: iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref);
--
2.9.3