forked from Mirrors/btrfs-progs
btrfs-progs: Make btrfs-debug-tree print all readable strings for inode flags
Before this patch, only 3 inode flags have readable string: NODATACOW, NODATASUM, READONLY. This patch will output all readable strings for remaining inode flags, making debug-tree tool more handy. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ minor adjustments ] Signed-off-by: David Sterba <dsterba@suse.com>master
parent
e93f3e7ded
commit
5bd4016363
47
print-tree.c
47
print-tree.c
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@ -851,29 +851,36 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
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}
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}
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/* Caller should ensure sizeof(*ret) >= 29 "NODATASUM|NODATACOW|READONLY" */
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/* Btrfs inode flag stringification helper */
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#define STRCAT_ONE_INODE_FLAG(flags, name, empty, dst) ({ \
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if (flags & BTRFS_INODE_##name) { \
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if (!empty) \
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strcat(dst, "|"); \
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strcat(dst, #name); \
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empty = 0; \
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} \
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})
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/*
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* Caller should ensure sizeof(*ret) >= 102: all charactors plus '|' of
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* BTRFS_INODE_* flags
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*/
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static void inode_flags_to_str(u64 flags, char *ret)
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{
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int empty = 1;
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if (flags & BTRFS_INODE_NODATASUM) {
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empty = 0;
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strcpy(ret, "NODATASUM");
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}
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if (flags & BTRFS_INODE_NODATACOW) {
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if (!empty) {
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empty = 0;
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strcat(ret, "|");
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}
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strcat(ret, "NODATACOW");
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}
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if (flags & BTRFS_INODE_READONLY) {
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if (!empty) {
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empty = 0;
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strcat(ret, "|");
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}
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strcat(ret, "READONLY");
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}
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STRCAT_ONE_INODE_FLAG(flags, NODATASUM, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, NODATACOW, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, READONLY, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, NOCOMPRESS, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, PREALLOC, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, SYNC, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, IMMUTABLE, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, APPEND, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, NODUMP, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, NOATIME, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, DIRSYNC, empty, ret);
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STRCAT_ONE_INODE_FLAG(flags, COMPRESS, empty, ret);
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if (empty)
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strcat(ret, "none");
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}
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@ -902,7 +909,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
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u32 nr = btrfs_header_nritems(l);
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u64 objectid;
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u32 type;
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char flags_str[32];
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char flags_str[256];
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printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
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(unsigned long long)btrfs_header_bytenr(l), nr,
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