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reg-files: No need for atomic @users

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We're under lock anyway.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2012-09-17 20:13:20 +04:00
committed by Pavel Emelyanov
parent 997b295d67
commit a3c6869ca1
1 changed files with 5 additions and 4 deletions
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9
files-reg.c
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@@ -37,7 +37,7 @@ struct ghost_file {
char *path; char *path;
}; };
}; };
atomic_t users; unsigned int users;
}; };
static u32 ghost_file_ids = 1; static u32 ghost_file_ids = 1;
@@ -116,10 +116,10 @@ static int open_remap_ghost(struct reg_file_info *rfi,
close(gfd); close(gfd);
gf->id = rfe->remap_id; gf->id = rfe->remap_id;
atomic_set(&gf->users, 0); gf->users = 0;
list_add_tail(&gf->list, &ghost_files); list_add_tail(&gf->list, &ghost_files);
gf_found: gf_found:
atomic_inc(&gf->users); gf->users++;
rfi->ghost = gf; rfi->ghost = gf;
return 0; return 0;
@@ -370,7 +370,8 @@ static int open_path(struct file_desc *d,
if (rfi->ghost) { if (rfi->ghost) {
unlink(rfi->path); unlink(rfi->path);
if (atomic_dec_and_test(&rfi->ghost->users)) { BUG_ON(!rfi->ghost->users);
if (--rfi->ghost->users == 0) {
pr_info("Unlink the ghost %s\n", rfi->ghost->path); pr_info("Unlink the ghost %s\n", rfi->ghost->path);
unlink(rfi->ghost->path); unlink(rfi->ghost->path);
} }