diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-28 05:04:49 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-28 07:10:19 +0400 |
| commit | 2a86b3e74f12bcdd13ceb1bf333bc2d5f43b3c02 (patch) | |
| tree | 142d8492bdeb66b6edfba7302ccc38dbd1e7227a /fs/dlm/recover.c | |
| parent | a1c36b166be76763cfab1a4308a00d6ffd8a2cc0 (diff) | |
| download | linux-2a86b3e74f12bcdd13ceb1bf333bc2d5f43b3c02.tar.xz | |
dlm: convert to idr_alloc()
Convert to the much saner new idr interface. Error return values from
recover_idr_add() mix -1 and -errno. The conversion doesn't change
that but it looks iffy.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/dlm/recover.c')
| -rw-r--r-- | fs/dlm/recover.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c index 236d1085d6a2..a6bc63f6e31b 100644 --- a/fs/dlm/recover.c +++ b/fs/dlm/recover.c @@ -305,27 +305,26 @@ static int recover_idr_empty(struct dlm_ls *ls) static int recover_idr_add(struct dlm_rsb *r) { struct dlm_ls *ls = r->res_ls; - int rv, id; - - rv = idr_pre_get(&ls->ls_recover_idr, GFP_NOFS); - if (!rv) - return -ENOMEM; + int rv; + idr_preload(GFP_NOFS); spin_lock(&ls->ls_recover_idr_lock); if (r->res_id) { - spin_unlock(&ls->ls_recover_idr_lock); - return -1; - } - rv = idr_get_new_above(&ls->ls_recover_idr, r, 1, &id); - if (rv) { - spin_unlock(&ls->ls_recover_idr_lock); - return rv; + rv = -1; + goto out_unlock; } - r->res_id = id; + rv = idr_alloc(&ls->ls_recover_idr, r, 1, 0, GFP_NOWAIT); + if (rv < 0) + goto out_unlock; + + r->res_id = rv; ls->ls_recover_list_count++; dlm_hold_rsb(r); + rv = 0; +out_unlock: spin_unlock(&ls->ls_recover_idr_lock); - return 0; + idr_preload_end(); + return rv; } static void recover_idr_del(struct dlm_rsb *r) |