X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Documentation%2Ffilesystems%2Fubifs.txt;h=12fedb7834c65b27d9eda747e1d38b13ac49777b;hb=5341cfab94ec05b8a45726f9fe15e71c0cd9b915;hp=340512c325069422e7793059340eb80b362dd89c;hpb=4793e7c5e1c88382ead18db5ca072bac54467318;p=safe%2Fjmp%2Flinux-2.6 diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt index 340512c..12fedb7 100644 --- a/Documentation/filesystems/ubifs.txt +++ b/Documentation/filesystems/ubifs.txt @@ -79,16 +79,18 @@ Mount options (*) == default. -norm_unmount (*) commit on unmount; the journal is committed - when the file-system is unmounted so that the - next mount does not have to replay the journal - and it becomes very fast; -fast_unmount do not commit on unmount; this option makes - unmount faster, but the next mount slower - because of the need to replay the journal. bulk_read read more in one go to take advantage of flash media that read faster sequentially no_bulk_read (*) do not bulk-read +no_chk_data_crc skip checking of CRCs on data nodes in order to + improve read performance. Use this option only + if the flash media is highly reliable. The effect + of this option is that corruption of the contents + of a file can go unnoticed. +chk_data_crc (*) do not skip checking CRCs on data nodes +compr=none override default compressor and set it to "none" +compr=lzo override default compressor and set it to "lzo" +compr=zlib override default compressor and set it to "zlib" Quick usage instructions