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Diffstat (limited to 'Documentation/mkfs.btrfs.asciidoc')
| -rw-r--r-- | Documentation/mkfs.btrfs.asciidoc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc index 5d79e24f..98fe694b 100644 --- a/Documentation/mkfs.btrfs.asciidoc +++ b/Documentation/mkfs.btrfs.asciidoc @@ -185,7 +185,12 @@ initramfs/initrd systems. FILESYSTEM FEATURES ------------------- +Features that can be enabled during creation time. See also `btrfs`(5) section +'FILESYSTEM FEATURES'. + *mixed-bg*:: +(kernel support since 2.6.37) ++ mixed data and metadata block groups, also set by option '--mixed' *extref*:: @@ -196,6 +201,8 @@ supported a varying number of hardlinks depending on the sum of all file name sizes that can be stored into one metadata block *raid56*:: +(kernel support since 3.9) ++ extended format for RAID5/6, also enabled if raid5 or raid6 block groups are selected @@ -205,6 +212,8 @@ are selected reduced-size metadata for extent references, saves a few percent of metadata *no-holes*:: +(kernel support since 3.14) ++ improved representation of file extents where holes are not explicitly stored as an extent, saves a few percent of metadata if sparse files are used @@ -351,4 +360,6 @@ further details. SEE ALSO -------- -`btrfs`(8), `wipefs`(8) +`btrfs`(5), +`btrfs`(8), +`wipefs`(8) |