diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/nfs/pnfs.txt | 7 | ||||
| -rw-r--r-- | Documentation/filesystems/romfs.txt | 3 | ||||
| -rw-r--r-- | Documentation/filesystems/ubifs.txt | 4 |
3 files changed, 10 insertions, 4 deletions
diff --git a/Documentation/filesystems/nfs/pnfs.txt b/Documentation/filesystems/nfs/pnfs.txt index bc0b9cfe095b..983e14abe7e9 100644 --- a/Documentation/filesystems/nfs/pnfs.txt +++ b/Documentation/filesystems/nfs/pnfs.txt @@ -46,3 +46,10 @@ data server cache file driver devices refer to data servers, which are kept in a module level cache. Its reference is held over the lifetime of the deviceid pointing to it. + +lseg +---- +lseg maintains an extra reference corresponding to the NFS_LSEG_VALID +bit which holds it in the pnfs_layout_hdr's list. When the final lseg +is removed from the pnfs_layout_hdr's list, the NFS_LAYOUT_DESTROYED +bit is set, preventing any new lsegs from being added. diff --git a/Documentation/filesystems/romfs.txt b/Documentation/filesystems/romfs.txt index 2d2a7b2a16b9..e2b07cc9120a 100644 --- a/Documentation/filesystems/romfs.txt +++ b/Documentation/filesystems/romfs.txt @@ -17,8 +17,7 @@ comparison, an actual rescue disk used up 3202 blocks with ext2, while with romfs, it needed 3079 blocks. To create such a file system, you'll need a user program named -genromfs. It is available via anonymous ftp on sunsite.unc.edu and -its mirrors, in the /pub/Linux/system/recovery/ directory. +genromfs. It is available on http://romfs.sourceforge.net/ As the name suggests, romfs could be also used (space-efficiently) on various read-only media, like (E)EPROM disks if someone will have the diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt index 12fedb7834c6..d7b13b01e980 100644 --- a/Documentation/filesystems/ubifs.txt +++ b/Documentation/filesystems/ubifs.txt @@ -82,12 +82,12 @@ Mount options 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 +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 +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" |