diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 13:56:26 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 13:56:26 -0400 |
commit | 3530c1886291df061e3972c55590777ef1cb67f8 (patch) | |
tree | bd6755e533eb5a0f37ff600da6bc0d9d1ba33c17 /Documentation | |
parent | 6952b61de9984073289859073e8195ad0bee8fd5 (diff) | |
parent | 1358870deaf11a752a84fbd89201749aa62498e8 (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: (64 commits)
ext4: Update documentation about quota mount options
ext4: replace MAX_DEFRAG_SIZE with EXT_MAX_BLOCK
ext4: Fix the alloc on close after a truncate hueristic
ext4: Add a tracepoint for ext4_alloc_da_blocks()
ext4: store EXT4_EXT_MIGRATE in i_state instead of i_flags
ext4: limit block allocations for indirect-block files to < 2^32
ext4: Fix different block exchange issue in EXT4_IOC_MOVE_EXT
ext4: Add null extent check to ext_get_path
ext4: Replace BUG_ON() with ext4_error() in move_extents.c
ext4: Replace get_ext_path macro with an inline funciton
ext4: Fix include/trace/events/ext4.h to work with Systemtap
ext4: Fix initalization of s_flex_groups
ext4: Always set dx_node's fake_dirent explicitly.
ext4: Fix async commit mode to be safe by using a barrier
ext4: Don't update superblock write time when filesystem is read-only
ext4: Clarify the locking details in mballoc
ext4: check for need init flag in ext4_mb_load_buddy
ext4: move ext4_mb_init_group() function earlier in the mballoc.c
ext4: Make non-journal fsync work properly
ext4: Assure that metadata blocks are written during fsync in no journal mode
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/filesystems/ext4.txt | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 7be02ac5fa36..18b5ec8cea45 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt | |||
@@ -134,15 +134,9 @@ ro Mount filesystem read only. Note that ext4 will | |||
134 | mount options "ro,noload" can be used to prevent | 134 | mount options "ro,noload" can be used to prevent |
135 | writes to the filesystem. | 135 | writes to the filesystem. |
136 | 136 | ||
137 | journal_checksum Enable checksumming of the journal transactions. | ||
138 | This will allow the recovery code in e2fsck and the | ||
139 | kernel to detect corruption in the kernel. It is a | ||
140 | compatible change and will be ignored by older kernels. | ||
141 | |||
142 | journal_async_commit Commit block can be written to disk without waiting | 137 | journal_async_commit Commit block can be written to disk without waiting |
143 | for descriptor blocks. If enabled older kernels cannot | 138 | for descriptor blocks. If enabled older kernels cannot |
144 | mount the device. This will enable 'journal_checksum' | 139 | mount the device. |
145 | internally. | ||
146 | 140 | ||
147 | journal=update Update the ext4 file system's journal to the current | 141 | journal=update Update the ext4 file system's journal to the current |
148 | format. | 142 | format. |
@@ -263,10 +257,18 @@ resuid=n The user ID which may use the reserved blocks. | |||
263 | 257 | ||
264 | sb=n Use alternate superblock at this location. | 258 | sb=n Use alternate superblock at this location. |
265 | 259 | ||
266 | quota | 260 | quota These options are ignored by the filesystem. They |
267 | noquota | 261 | noquota are used only by quota tools to recognize volumes |
268 | grpquota | 262 | grpquota where quota should be turned on. See documentation |
269 | usrquota | 263 | usrquota in the quota-tools package for more details |
264 | (http://sourceforge.net/projects/linuxquota). | ||
265 | |||
266 | jqfmt=<quota type> These options tell filesystem details about quota | ||
267 | usrjquota=<file> so that quota information can be properly updated | ||
268 | grpjquota=<file> during journal replay. They replace the above | ||
269 | quota options. See documentation in the quota-tools | ||
270 | package for more details | ||
271 | (http://sourceforge.net/projects/linuxquota). | ||
270 | 272 | ||
271 | bh (*) ext4 associates buffer heads to data pages to | 273 | bh (*) ext4 associates buffer heads to data pages to |
272 | nobh (a) cache disk block mapping information | 274 | nobh (a) cache disk block mapping information |