Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: jbd: change the field "b_cow_tid" of struct journal_head from type unsigned to tid_t ext3.txt: update the links in the section "useful links" to the latest ones ext3: Fix data corruption in inodes with journalled data ext2: check xattr name_len before acquiring xattr_sem in ext2_xattr_get ext3: Fix compilation with -DDX_DEBUG quota: Remove unused declaration jbd: Use WRITE_SYNC in journal checkpoint. jbd: Fix oops in journal_remove_journal_head() ext3: Return -EINVAL when start is beyond the end of fs in ext3_trim_fs() ext3/ioctl.c: silence sparse warnings about different address spaces ext3/ext4 Documentation: remove bh/nobh since it has been deprecated ext3: Improve truncate error handling ext3: use proper little-endian bitops ext2: include fs.h into ext2_fs.h ext3: Fix oops in ext3_try_to_allocate_with_rsv() jbd: fix a bug of leaking jh->b_jcount jbd: remove dependency on __GFP_NOFAIL ext3: Convert ext3 to new truncate calling convention jbd: Add fixed tracepoints ext3: Add fixed tracepoints Resolve conflicts in fs/ext3/fsync.c due to fsync locking push-down and new fixed tracepoints.
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@@ -147,15 +147,6 @@ grpjquota=<file> during journal replay. They replace the above
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package for more details
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(http://sourceforge.net/projects/linuxquota).
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bh (*) ext3 associates buffer heads to data pages to
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nobh (a) cache disk block mapping information
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(b) link pages into transaction to provide
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ordering guarantees.
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"bh" option forces use of buffer heads.
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"nobh" option tries to avoid associating buffer
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heads (supported only for "writeback" mode).
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Specification
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=============
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Ext3 shares all disk implementation with the ext2 filesystem, and adds
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@@ -227,5 +218,5 @@ kernel source: <file:fs/ext3/>
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programs: http://e2fsprogs.sourceforge.net/
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http://ext2resize.sourceforge.net
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useful links: http://www.ibm.com/developerworks/library/l-fs7.html
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http://www.ibm.com/developerworks/library/l-fs8.html
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useful links: http://www.ibm.com/developerworks/library/l-fs7/index.html
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http://www.ibm.com/developerworks/library/l-fs8/index.html
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@@ -68,12 +68,12 @@ Note: More extensive information for getting started with ext4 can be
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'-o barriers=[0|1]' mount option for both ext3 and ext4 filesystems
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for a fair comparison. When tuning ext3 for best benchmark numbers,
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it is often worthwhile to try changing the data journaling mode; '-o
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data=writeback,nobh' can be faster for some workloads. (Note
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however that running mounted with data=writeback can potentially
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leave stale data exposed in recently written files in case of an
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unclean shutdown, which could be a security exposure in some
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situations.) Configuring the filesystem with a large journal can
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also be helpful for metadata-intensive workloads.
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data=writeback' can be faster for some workloads. (Note however that
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running mounted with data=writeback can potentially leave stale data
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exposed in recently written files in case of an unclean shutdown,
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which could be a security exposure in some situations.) Configuring
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the filesystem with a large journal can also be helpful for
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metadata-intensive workloads.
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2. Features
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===========
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@@ -272,14 +272,6 @@ grpjquota=<file> during journal replay. They replace the above
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package for more details
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(http://sourceforge.net/projects/linuxquota).
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bh (*) ext4 associates buffer heads to data pages to
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nobh (a) cache disk block mapping information
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(b) link pages into transaction to provide
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ordering guarantees.
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"bh" option forces use of buffer heads.
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"nobh" option tries to avoid associating buffer
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heads (supported only for "writeback" mode).
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stripe=n Number of filesystem blocks that mballoc will try
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to use for allocation size and alignment. For RAID5/6
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systems this should be the number of data
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@@ -393,8 +385,7 @@ dioread_nolock locking. If the dioread_nolock option is specified
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write and convert the extent to initialized after IO
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completes. This approach allows ext4 code to avoid
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using inode mutex, which improves scalability on high
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speed storages. However this does not work with nobh
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option and the mount will fail. Nor does it work with
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speed storages. However this does not work with
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data journaling and dioread_nolock option will be
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ignored with kernel warning. Note that dioread_nolock
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code path is only used for extent-based files.
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