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| author | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
| commit | a107e5a3a473a2ea62bd5af24e11b84adf1486ff (patch) | |
| tree | d36c2cb38d8be88d4d75cdebc354aa140aa0e470 /Documentation | |
| parent | e3e1288e86a07cdeb0aee5860a2dff111c6eff79 (diff) | |
| parent | a269029d0e2192046be4c07ed78a45022469ee4c (diff) | |
Merge branch 'next' into upstream-merge
Conflicts:
fs/ext4/inode.c
fs/ext4/mballoc.c
include/trace/events/ext4.h
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/ext4.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index e1def1786e50..6ab9442d7eeb 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -353,6 +353,20 @@ noauto_da_alloc replacing existing files via patterns such as system crashes before the delayed allocation blocks are forced to disk. +noinit_itable Do not initialize any uninitialized inode table + blocks in the background. This feature may be + used by installation CD's so that the install + process can complete as quickly as possible; the + inode table initialization process would then be + deferred until the next time the file system + is unmounted. + +init_itable=n The lazy itable init code will wait n times the + number of milliseconds it took to zero out the + previous block group's inode table. This + minimizes the impact on the systme performance + while file system's inode table is being initialized. + discard Controls whether ext4 should issue discard/TRIM nodiscard(*) commands to the underlying block device when blocks are freed. This is useful for SSD devices |