diff options
| author | Liu Bo <bo.li.liu@oracle.com> | 2017-06-27 15:25:45 -0600 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-06-30 16:31:02 +0200 |
| commit | c58d13eebae64ad6a1d0a2caadc819e0e4a83fa4 (patch) | |
| tree | 98c3f24bedd860c7c3c14dbceca250ddefd6577d /Documentation/mkfs.btrfs.asciidoc | |
| parent | bf95b303f41aa416d62fb7a5beb6761329ec9034 (diff) | |
Btrfs-progs: man: nodesize must be power of 2 now
This updates mkfs.btrfs's man page with the new limitation that nodesize must
be a power of 2 as well.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'Documentation/mkfs.btrfs.asciidoc')
| -rw-r--r-- | Documentation/mkfs.btrfs.asciidoc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc index 46a4d2d5..d53d9e26 100644 --- a/Documentation/mkfs.btrfs.asciidoc +++ b/Documentation/mkfs.btrfs.asciidoc @@ -76,8 +76,8 @@ Alias for --nodesize. Deprecated. *-n|--nodesize <size>*:: Specify the nodesize, the tree block size in which btrfs stores metadata. The default value is 16KiB (16384) or the page size, whichever is bigger. Must be a -multiple of the sectorsize, but not larger than 64KiB (65536). Leafsize always -equals nodesize and the options are aliases. +multiple of the sectorsize and a power of 2, but not larger than 64KiB (65536). +Leafsize always equals nodesize and the options are aliases. + Smaller node size increases fragmentation but lead to higher b-trees which in turn leads to lower locking contention. Higher node sizes give better packing |