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| author | NeilBrown <neilb@suse.de> | 2008-11-04 20:50:39 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2008-11-04 20:50:39 +1100 |
| commit | ad5bc697ad9bb52616c34b022fb014e890be6a2d (patch) | |
| tree | c8c8905f29d993f4b3bcf7f449c249c4d9f21337 /mdadm.h | |
| parent | 7e6c6cb26790e4b0de2e8694cca655db26bee11a (diff) | |
| download | mdadm-ad5bc697ad9bb52616c34b022fb014e890be6a2d.tar.gz mdadm-ad5bc697ad9bb52616c34b022fb014e890be6a2d.tar.xz mdadm-ad5bc697ad9bb52616c34b022fb014e890be6a2d.zip | |
Incremental: lock against multiple concurrent additions to an array.
In two devices are added via -I to one array at the same time, mdadm
can get badly confused.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'mdadm.h')
| -rw-r--r-- | mdadm.h | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -325,6 +325,8 @@ extern void map_delete(struct map_ent **mapp, int devnum); extern void map_free(struct map_ent *map); extern void map_add(struct map_ent **melp, int devnum, char *metadata, int uuid[4], char *path); +extern int map_lock(struct map_ent **melp); +extern void map_unlock(struct map_ent **melp); /* various details can be requested */ #define GET_LEVEL 1 |