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Expand discussion of the -D option in e2fsck's man page 

Add an explanation of how e2fsck might decide to optimize a few
directories even without the -D option being specified.

Addresses-Debian-Bug: #441872

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2008-01-01 00:17:57 -05:00
parent ffff966438
commit 1e5c6d34e7
1 changed files with 13 additions and 0 deletions
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e2fsck/e2fsck.8.in
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@ -154,6 +154,19 @@ try to optimize all directories, either by reindexing them if the
filesystem supports directory indexing, or by sorting and compressing
directories for smaller directories, or for filesystems using
traditional linear directories.
.IP
Even without the
.B \-D
option,
.B e2fsck
may sometimes optimize a few directories --- for example, if
directory indexing is enabled and a directory is not indexed and would
benefit from being indexed, or if the index structures are corrupted
and need to be rebuilt. The
.B \-D
option forces all directories in the filesystem to be optimized. This can
sometimes make them a little smaller and slightly faster to search, but
in practice, you should rarely need to use this option.
.TP
.BI \-E " extended_options"
Set e2fsck extended options. Extended options are comma