diff options
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r-- | fs/gfs2/inode.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index ea9ca239c87..ce7f8330690 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1234,92 +1234,6 @@ fail: return error; } -/** - * glock_compare_atime - Compare two struct gfs2_glock structures for sort - * @arg_a: the first structure - * @arg_b: the second structure - * - * Returns: 1 if A > B - * -1 if A < B - * 0 if A == B - */ - -static int glock_compare_atime(const void *arg_a, const void *arg_b) -{ - const struct gfs2_holder *gh_a = *(const struct gfs2_holder **)arg_a; - const struct gfs2_holder *gh_b = *(const struct gfs2_holder **)arg_b; - const struct lm_lockname *a = &gh_a->gh_gl->gl_name; - const struct lm_lockname *b = &gh_b->gh_gl->gl_name; - - if (a->ln_number > b->ln_number) - return 1; - if (a->ln_number < b->ln_number) - return -1; - if (gh_a->gh_state == LM_ST_SHARED && gh_b->gh_state == LM_ST_EXCLUSIVE) - return 1; - if (gh_a->gh_state == LM_ST_SHARED && (gh_b->gh_flags & GL_ATIME)) - return 1; - - return 0; -} - -/** - * gfs2_glock_nq_m_atime - acquire multiple glocks where one may need an - * atime update - * @num_gh: the number of structures - * @ghs: an array of struct gfs2_holder structures - * - * Returns: 0 on success (all glocks acquired), - * errno on failure (no glocks acquired) - */ - -int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs) -{ - struct gfs2_holder **p; - unsigned int x; - int error = 0; - - if (!num_gh) - return 0; - - if (num_gh == 1) { - ghs->gh_flags &= ~(LM_FLAG_TRY | GL_ASYNC); - if (ghs->gh_flags & GL_ATIME) - error = gfs2_glock_nq_atime(ghs); - else - error = gfs2_glock_nq(ghs); - return error; - } - - p = kcalloc(num_gh, sizeof(struct gfs2_holder *), GFP_KERNEL); - if (!p) - return -ENOMEM; - - for (x = 0; x < num_gh; x++) - p[x] = &ghs[x]; - - sort(p, num_gh, sizeof(struct gfs2_holder *), glock_compare_atime,NULL); - - for (x = 0; x < num_gh; x++) { - p[x]->gh_flags &= ~(LM_FLAG_TRY | GL_ASYNC); - - if (p[x]->gh_flags & GL_ATIME) - error = gfs2_glock_nq_atime(p[x]); - else - error = gfs2_glock_nq(p[x]); - - if (error) { - while (x--) - gfs2_glock_dq(p[x]); - break; - } - } - - kfree(p); - return error; -} - - static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) { |