btrfsprogs/ignore-deleted-loopmounts.diff

82 lines
1.9 KiB
Diff

diff --git a/utils.c b/utils.c
index fd894f3..4f089f5 100644
--- a/utils.c
+++ b/utils.c
@@ -633,19 +633,29 @@ int is_same_blk_file(const char* a, const char* b)
char real_a[PATH_MAX];
char real_b[PATH_MAX];
- if(!realpath(a, real_a) ||
- !realpath(b, real_b))
- {
- return -errno;
- }
+ if(!realpath(a, real_a))
+ strcpy(real_a, a);
+
+ if (!realpath(b, real_b))
+ strcpy(real_b, b);
/* Identical path? */
if(strcmp(real_a, real_b) == 0)
return 1;
- if(stat(a, &st_buf_a) < 0 ||
- stat(b, &st_buf_b) < 0)
- {
+ if(stat(a, &st_buf_a) < 0)
+ {
+ if (errno == ENOENT)
+ return 0;
+
+ return -errno;
+ }
+
+ if(stat(b, &st_buf_b) < 0)
+ {
+ if (errno == ENOENT)
+ return 0;
+
return -errno;
}
@@ -684,10 +694,12 @@ int is_same_loop_file(const char* a, const char* b)
if((ret = is_loop_device(a)) < 0) {
return ret;
} else if(ret) {
- if((ret = resolve_loop_device(a, res_a, sizeof(res_a))) < 0)
+ if((ret = resolve_loop_device(a, res_a, sizeof(res_a))) < 0) {
+ if (errno != EPERM)
return ret;
-
- final_a = res_a;
+ }
+ else
+ final_a = res_a;
} else {
final_a = a;
}
@@ -696,15 +708,17 @@ int is_same_loop_file(const char* a, const char* b)
if((ret = is_loop_device(b)) < 0) {
return ret;
} else if(ret) {
- if((ret = resolve_loop_device(b, res_b, sizeof(res_b))) < 0)
- return ret;
-
- final_b = res_b;
+ if((ret = resolve_loop_device(b, res_b, sizeof(res_b))) < 0) {
+ if (errno != EPERM)
+ return ret;
+ }
+ else
+ final_b = res_b;
} else {
final_b = b;
}
- return is_same_blk_file(final_a, final_b);
+ return is_same_blk_file(final_a, final_b);
}
/* Checks if a file exists and is a block or regular file*/