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| author | Theodore Ts'o <tytso@mit.edu> | 2009-03-05 19:40:20 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-03-06 01:59:23 -0500 |
| commit | b7c5b4030870b31d73019d9d9ec55d550772590b (patch) | |
| tree | 0d970292f57dd4779b1241bdd8b7b4ee9ac9706c /lib/e2p | |
| parent | b2ca48f40eb33bd86b8d53d4373e7fce96bced4a (diff) | |
| download | e2fsprogs-b7c5b4030870b31d73019d9d9ec55d550772590b.tar.gz | |
Add support for a new superblock field: s_kbytes_written
This field tracks the lifetime amount of writes to the filesystem. It
will be updated by the kernel as well as by e2fsprogs programs which
write to the filesystem.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'lib/e2p')
| -rw-r--r-- | lib/e2p/ls.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c index 6d2ce70a..eb9a7721 100644 --- a/lib/e2p/ls.c +++ b/lib/e2p/ls.c @@ -267,6 +267,24 @@ void list_super2(struct ext2_super_block * sb, FILE *f) next = sb->s_lastcheck + sb->s_checkinterval; fprintf(f, "Next check after: %s", ctime(&next)); } +#define POW2(x) ((__u64) 1 << (x)) + if (sb->s_kbytes_written) { + fprintf(f, "Lifetime writes: "); + if (sb->s_kbytes_written < POW2(13)) + fprintf(f, "%llu kB\n", sb->s_kbytes_written); + else if (sb->s_kbytes_written < POW2(23)) + fprintf(f, "%llu MB\n", + (sb->s_kbytes_written + POW2(9)) >> 10); + else if (sb->s_kbytes_written < POW2(33)) + fprintf(f, "%llu GB\n", + (sb->s_kbytes_written + POW2(19)) >> 20); + else if (sb->s_kbytes_written < POW2(43)) + fprintf(f, "%llu TB\n", + (sb->s_kbytes_written + POW2(29)) >> 30); + else + fprintf(f, "%llu PB\n", + (sb->s_kbytes_written + POW2(39)) >> 40); + } fprintf(f, "Reserved blocks uid: "); print_user(sb->s_def_resuid, f); fprintf(f, "Reserved blocks gid: "); |