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| author | Kees Cook <keescook@chromium.org> | 2018-05-14 15:50:52 -0700 |
|---|---|---|
| committer | Deepa Dinamani <deepa.kernel@gmail.com> | 2018-06-05 16:57:31 -0700 |
| commit | 7aaa822ed060719bd4ea012609883b6bc6950508 (patch) | |
| tree | 222a4c1d6da343c041f790c0263e9b73296e798c /fs/pstore/ram.c | |
| parent | 0220eddac66daa2afdd6cf6d7d5198226d2abf0b (diff) | |
| download | lwn-7aaa822ed060719bd4ea012609883b6bc6950508.tar.gz lwn-7aaa822ed060719bd4ea012609883b6bc6950508.zip | |
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/pstore/ram.c')
| -rw-r--r-- | fs/pstore/ram.c | 21 |
1 files changed, 14 insertions, 7 deletions
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'); |