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author | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
commit | a107e5a3a473a2ea62bd5af24e11b84adf1486ff (patch) | |
tree | d36c2cb38d8be88d4d75cdebc354aa140aa0e470 /Documentation/filesystems | |
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/filesystems')
-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 | |||
353 | system crashes before the delayed allocation | 353 | system crashes before the delayed allocation |
354 | blocks are forced to disk. | 354 | blocks are forced to disk. |
355 | 355 | ||
356 | noinit_itable Do not initialize any uninitialized inode table | ||
357 | blocks in the background. This feature may be | ||
358 | used by installation CD's so that the install | ||
359 | process can complete as quickly as possible; the | ||
360 | inode table initialization process would then be | ||
361 | deferred until the next time the file system | ||
362 | is unmounted. | ||
363 | |||
364 | init_itable=n The lazy itable init code will wait n times the | ||
365 | number of milliseconds it took to zero out the | ||
366 | previous block group's inode table. This | ||
367 | minimizes the impact on the systme performance | ||
368 | while file system's inode table is being initialized. | ||
369 | |||
356 | discard Controls whether ext4 should issue discard/TRIM | 370 | discard Controls whether ext4 should issue discard/TRIM |
357 | nodiscard(*) commands to the underlying block device when | 371 | nodiscard(*) commands to the underlying block device when |
358 | blocks are freed. This is useful for SSD devices | 372 | blocks are freed. This is useful for SSD devices |