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authorJavier González <javier@cnexlabs.com>2018-01-05 14:16:16 +0100
committerJens Axboe <axboe@kernel.dk>2018-01-05 08:50:12 -0700
commit8f554597e00abe04fd1f37c351b38aff33c37fc9 (patch)
tree08bc72eadc985c710bede032ddd69f47be41a564 /drivers/lightnvm
parent5d201f07204893c02ef85d562bfcc71299f06f60 (diff)
lightnvm: pblk: do not log recovery read errors
On scan recovery, reads can fail. This happens because the first page for each line is read in order to determined if the line has been used (and thus needs to be recovered), or not. This can lead to "empty page" read errors. Since these errors are normal, do not log them, as they are confusing when reviewing the logs. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-core.c6
-rw-r--r--drivers/lightnvm/pblk.h1
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 5ec7ad68ff38..0487b9340c1d 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -742,7 +742,7 @@ static int pblk_line_submit_smeta_io(struct pblk *pblk, struct pblk_line *line,
cmd_op = NVM_OP_PWRITE;
flags = pblk_set_progr_mode(pblk, PBLK_WRITE);
lba_list = emeta_to_lbas(pblk, line->emeta->buf);
- } else if (dir == PBLK_READ) {
+ } else if (dir == PBLK_READ_RECOV || dir == PBLK_READ) {
bio_op = REQ_OP_READ;
cmd_op = NVM_OP_PREAD;
flags = pblk_set_read_mode(pblk, PBLK_READ_SEQUENTIAL);
@@ -802,7 +802,7 @@ static int pblk_line_submit_smeta_io(struct pblk *pblk, struct pblk_line *line,
if (rqd.error) {
if (dir == PBLK_WRITE)
pblk_log_write_err(pblk, &rqd);
- else
+ else if (dir == PBLK_READ)
pblk_log_read_err(pblk, &rqd);
}
@@ -816,7 +816,7 @@ int pblk_line_read_smeta(struct pblk *pblk, struct pblk_line *line)
{
u64 bpaddr = pblk_line_smeta_start(pblk, line);
- return pblk_line_submit_smeta_io(pblk, line, bpaddr, PBLK_READ);
+ return pblk_line_submit_smeta_io(pblk, line, bpaddr, PBLK_READ_RECOV);
}
int pblk_line_read_emeta(struct pblk *pblk, struct pblk_line *line,
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index 19e622c65e92..93ec4fd2c26e 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -60,6 +60,7 @@ enum {
PBLK_READ = READ,
PBLK_WRITE = WRITE,/* Write from write buffer */
PBLK_WRITE_INT, /* Internal write - no write buffer */
+ PBLK_READ_RECOV, /* Recovery read - errors allowed */
PBLK_ERASE,
};

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