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author | Karel Zak | 2012-06-28 15:40:16 +0200 |
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committer | Karel Zak | 2012-06-28 15:40:16 +0200 |
commit | f7f29b564073831c9d1a8cdf9deaf039c0bcb1b6 (patch) | |
tree | b63b6c298626fea30d2461832cec42e48f56bc11 /libmount/src/fs.c | |
parent | findmnt: add --task <tid> option (diff) | |
download | kernel-qcow2-util-linux-f7f29b564073831c9d1a8cdf9deaf039c0bcb1b6.tar.gz kernel-qcow2-util-linux-f7f29b564073831c9d1a8cdf9deaf039c0bcb1b6.tar.xz kernel-qcow2-util-linux-f7f29b564073831c9d1a8cdf9deaf039c0bcb1b6.zip |
libmount: save task ID for mountinfo tiles
Add new function mnt_fs_get_tid() to get task ID for the given filesystem.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libmount/src/fs.c')
-rw-r--r-- | libmount/src/fs.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/libmount/src/fs.c b/libmount/src/fs.c index 543ffb153..ff930806f 100644 --- a/libmount/src/fs.c +++ b/libmount/src/fs.c @@ -139,6 +139,7 @@ struct libmnt_fs *mnt_copy_fs(struct libmnt_fs *dest, dest->id = src->id; dest->parent = src->parent; dest->devno = src->devno; + dest->tid = src->tid; if (cpy_str_at_offset(dest, src, offsetof(struct libmnt_fs, source))) goto err; @@ -1158,6 +1159,18 @@ dev_t mnt_fs_get_devno(struct libmnt_fs *fs) } /** + * mnt_fs_get_tid: + * @fs: /proc/<tid>/mountinfo entry + * + * Returns: TID (task ID) for filesystems read from mountinfo file + */ +pid_t mnt_fs_get_tid(struct libmnt_fs *fs) +{ + assert(fs); + return fs ? fs->tid : 0; +} + +/** * mnt_fs_get_option: * @fs: fstab/mtab/mountinfo entry pointer * @name: option name @@ -1406,7 +1419,10 @@ int mnt_fs_print_debug(struct libmnt_fs *fs, FILE *file) fprintf(file, "parent: %d\n", mnt_fs_get_parent_id(fs)); if (mnt_fs_get_devno(fs)) fprintf(file, "devno: %d:%d\n", major(mnt_fs_get_devno(fs)), - minor(mnt_fs_get_devno(fs))); + minor(mnt_fs_get_devno(fs))); + if (mnt_fs_get_tid(fs)) + fprintf(file, "tid: %d\n", mnt_fs_get_tid(fs)); + return 0; } |