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authorKees Cook2018-05-14 15:50:52 -0700
committerDeepa Dinamani2018-06-05 16:57:31 -0700
commit7aaa822ed060719bd4ea012609883b6bc6950508 (patch)
tree222a4c1d6da343c041f790c0263e9b73296e798c /fs
parent0220eddac66daa2afdd6cf6d7d5198226d2abf0b (diff)
pstore: Convert internal records to timespec64
This prepares pstore for converting the VFS layer to timespec64. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/pstore/inode.c3
-rw-r--r--fs/pstore/platform.c2
-rw-r--r--fs/pstore/ram.c21
3 files changed, 17 insertions, 9 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 5fcb845b9fec..75afe5eb0574 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -392,7 +392,8 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
inode->i_private = private;
if (record->time.tv_sec)
- inode->i_mtime = inode->i_ctime = record->time;
+ inode->i_mtime = inode->i_ctime =
+ timespec64_to_timespec(record->time);
d_add(dentry, inode);
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index dc720573fd53..c238ab8ba31d 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -328,7 +328,7 @@ void pstore_record_init(struct pstore_record *record,
record->psi = psinfo;
/* Report zeroed timestamp if called before timekeeping has resumed. */
- record->time = ns_to_timespec(ktime_get_real_fast_ns());
+ record->time = ns_to_timespec64(ktime_get_real_fast_ns());
}
/*
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 49b2bc114868..69e893076ab7 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -38,6 +38,11 @@
#define RAMOOPS_KERNMSG_HDR "===="
#define MIN_MEM_SIZE 4096UL
+#if __BITS_PER_LONG == 64
+# define TVSEC_FMT "%ld"
+#else
+# define TVSEC_FMT "%lld"
+#endif
static ulong record_size = MIN_MEM_SIZE;
module_param(record_size, ulong, 0400);
@@ -153,21 +158,23 @@ ramoops_get_next_prz(struct persistent_ram_zone *przs[], uint *c, uint max,
return prz;
}
-static int ramoops_read_kmsg_hdr(char *buffer, struct timespec *time,
+static int ramoops_read_kmsg_hdr(char *buffer, struct timespec64 *time,
bool *compressed)
{
char data_type;
int header_length = 0;
- if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lu.%lu-%c\n%n", &time->tv_sec,
- &time->tv_nsec, &data_type, &header_length) == 3) {
+ if (sscanf(buffer, RAMOOPS_KERNMSG_HDR TVSEC_FMT ".%lu-%c\n%n",
+ &time->tv_sec, &time->tv_nsec, &data_type,
+ &header_length) == 3) {
if (data_type == 'C')
*compressed = true;
else
*compressed = false;
- } else if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lu.%lu\n%n",
- &time->tv_sec, &time->tv_nsec, &header_length) == 2) {
- *compressed = false;
+ } else if (sscanf(buffer, RAMOOPS_KERNMSG_HDR TVSEC_FMT ".%lu\n%n",
+ &time->tv_sec, &time->tv_nsec,
+ &header_length) == 2) {
+ *compressed = false;
} else {
time->tv_sec = 0;
time->tv_nsec = 0;
@@ -360,7 +367,7 @@ static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz,
char *hdr;
size_t len;
- hdr = kasprintf(GFP_ATOMIC, RAMOOPS_KERNMSG_HDR "%lu.%lu-%c\n",
+ hdr = kasprintf(GFP_ATOMIC, RAMOOPS_KERNMSG_HDR TVSEC_FMT ".%lu-%c\n",
record->time.tv_sec,
record->time.tv_nsec / 1000,
record->compressed ? 'C' : 'D');