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| author | Adrian Hunter <ext-adrian.hunter@nokia.com> | 2008-09-04 16:26:00 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-09-30 11:12:56 +0300 |
| commit | 2953e73f1ce4b3284b409aefb9d46bbde6515c37 (patch) | |
| tree | 56126c6a589bd0450eb288db6a93946e50e5bc29 /fs/ubifs/scan.c | |
| parent | 4793e7c5e1c88382ead18db5ca072bac54467318 (diff) | |
| download | lwn-2953e73f1ce4b3284b409aefb9d46bbde6515c37.tar.gz lwn-2953e73f1ce4b3284b409aefb9d46bbde6515c37.zip | |
UBIFS: add no_chk_data_crc mount option
UBIFS read performance can be improved by skipping the CRC
check when data nodes are read. This option can be used if
the underlying media is considered to be highly reliable.
Note that CRCs are always checked for metadata.
Read speed on Arm platform with OneNAND goes from 19 MiB/s
to 27 MiB/s with data CRC checking disabled.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Diffstat (limited to 'fs/ubifs/scan.c')
| -rw-r--r-- | fs/ubifs/scan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c index acf5c5fffc60..0ed82479b44b 100644 --- a/fs/ubifs/scan.c +++ b/fs/ubifs/scan.c @@ -87,7 +87,7 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum, dbg_scan("scanning %s", dbg_ntype(ch->node_type)); - if (ubifs_check_node(c, buf, lnum, offs, quiet)) + if (ubifs_check_node(c, buf, lnum, offs, quiet, 1)) return SCANNED_A_CORRUPT_NODE; if (ch->node_type == UBIFS_PAD_NODE) { |