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authorJoel Stanley <joel@jms.id.au>2019-04-08 12:35:00 +0930
committerJoel Stanley <joel@jms.id.au>2019-04-08 12:35:05 +0930
commit0b37f9a0bd24d9622f75d981feac67e72351b6e8 (patch)
treed40154b713e136a2d9dfb3fcb1903dd730bd234f /drivers/md/bcache/sysfs.c
parentdf66fbc97853fbba90a0bfa44de32f3d5f7602b4 (diff)
parent8b298d3a0bd5feeb47129c4889356b38b78ab231 (diff)
downloadtalos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.tar.gz
talos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.zip
Merge tag 'v5.0.7' into dev-5.0
This is the 5.0.7 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
-rw-r--r--drivers/md/bcache/sysfs.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 557a8a3270a1..e5daf91310f6 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -287,8 +287,12 @@ STORE(__cached_dev)
sysfs_strtoul_clamp(writeback_rate_update_seconds,
dc->writeback_rate_update_seconds,
1, WRITEBACK_RATE_UPDATE_SECS_MAX);
- d_strtoul(writeback_rate_i_term_inverse);
- d_strtoul_nonzero(writeback_rate_p_term_inverse);
+ sysfs_strtoul_clamp(writeback_rate_i_term_inverse,
+ dc->writeback_rate_i_term_inverse,
+ 1, UINT_MAX);
+ sysfs_strtoul_clamp(writeback_rate_p_term_inverse,
+ dc->writeback_rate_p_term_inverse,
+ 1, UINT_MAX);
d_strtoul_nonzero(writeback_rate_minimum);
sysfs_strtoul_clamp(io_error_limit, dc->error_limit, 0, INT_MAX);
@@ -299,7 +303,9 @@ STORE(__cached_dev)
dc->io_disable = v ? 1 : 0;
}
- d_strtoi_h(sequential_cutoff);
+ sysfs_strtoul_clamp(sequential_cutoff,
+ dc->sequential_cutoff,
+ 0, UINT_MAX);
d_strtoi_h(readahead);
if (attr == &sysfs_clear_stats)
@@ -778,8 +784,17 @@ STORE(__bch_cache_set)
c->error_limit = strtoul_or_return(buf);
/* See count_io_errors() for why 88 */
- if (attr == &sysfs_io_error_halflife)
- c->error_decay = strtoul_or_return(buf) / 88;
+ if (attr == &sysfs_io_error_halflife) {
+ unsigned long v = 0;
+ ssize_t ret;
+
+ ret = strtoul_safe_clamp(buf, v, 0, UINT_MAX);
+ if (!ret) {
+ c->error_decay = v / 88;
+ return size;
+ }
+ return ret;
+ }
if (attr == &sysfs_io_disable) {
v = strtoul_or_return(buf);
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