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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 14:07:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 14:07:46 -0700
commit0732f87761dbe417cb6e084b712d07e879e876ef (patch)
treeafed6ca0368fd3e121fd4f43b11e32aa1e5139c0 /Documentation
parent15fc204afc6feb915c400159546f646eca8ba1d9 (diff)
parent536fc240e7147858255bdb08e7a999a3351a9fb4 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: jbd2: clean up jbd2_journal_try_to_free_buffers() ext4: Don't update ctime for non-extent-mapped inodes ext4: Fix up whitespace issues in fs/ext4/inode.c ext4: Fix 64-bit block type problem on 32-bit platforms ext4: teach the inode allocator to use a goal inode number ext4: Use a hash of the topdir directory name for the Orlov parent group ext4: document the "abort" mount option ext4: move the abort flag from s_mount_opts to s_mount_flags ext4: update the s_last_mounted field in the superblock ext4: change s_mount_opt to be an unsigned int ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctl ext4: avoid unnecessary spinlock in critical POSIX ACL path ext3: avoid unnecessary spinlock in critical POSIX ACL path ext4: convert instrumentation from markers to tracepoints jbd2: convert instrumentation from markers to tracepoints
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-fs-ext410
-rw-r--r--Documentation/filesystems/ext4.txt4
2 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-ext4 b/Documentation/ABI/testing/sysfs-fs-ext4
index 4e79074de282..5fb709997d96 100644
--- a/Documentation/ABI/testing/sysfs-fs-ext4
+++ b/Documentation/ABI/testing/sysfs-fs-ext4
@@ -79,3 +79,13 @@ Description:
This file is read-only and shows the number of
kilobytes of data that have been written to this
filesystem since it was mounted.
+
+What: /sys/fs/ext4/<disk>/inode_goal
+Date: June 2008
+Contact: "Theodore Ts'o" <tytso@mit.edu>
+Description:
+ Tuning parameter which (if non-zero) controls the goal
+ inode used by the inode allocator in p0reference to
+ all other allocation hueristics. This is intended for
+ debugging use only, and should be 0 on production
+ systems.
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 608fdba97b72..7be02ac5fa36 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -235,6 +235,10 @@ minixdf Make 'df' act like Minix.
debug Extra debugging information is sent to syslog.
+abort Simulate the effects of calling ext4_abort() for
+ debugging purposes. This is normally used while
+ remounting a filesystem which is already mounted.
+
errors=remount-ro Remount the filesystem read-only on an error.
errors=continue Keep going on a filesystem error.
errors=panic Panic and halt the machine if an error occurs.