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* [PATCH] ext4: change uses of f_{dentry, vfsmnt} to use f_pathJosef "Jeff" Sipek2006-12-08
| | | | | | | | | Change all the uses of f_{dentry,vfsmnt} to f_path.{dentry,mnt} in the ext4 filesystem. Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 calls journal_stopRandy Dunlap2006-12-08
| | | | | | | | journal_stop() is not defined for ext4; change to ext4_journal_stop(). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: Eliminate inline functionsAvantika Mathur2006-12-07
| | | | | | | | | | Removes all inline keywords, since the compiler will make static functions inline when it is appropriate. Signed-off-by: Avantika Mathur <mathur@us.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: kmalloc to kzallocAvantika Mathur2006-12-07
| | | | | | | | | Performs kmalloc to kzalloc conversion Signed-off-by: Avantika Mathur <mathur@us.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: if expression formatAvantika Mathur2006-12-07
| | | | | | | | | | | | | | | changes instances of if ((lhs = expression)) { to the preferred coding style lhs=expression; if (lhs) { Signed-off-by: Avantika Mathur <mathur@us.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: fix credit calculation in ext4_ext_calc_credits_for_insertJohann Lombardi2006-12-07
| | | | | | | | | | | Fix a nit in ext4_ext_calc_credits_for_insert(). Besides, credits for the new root are already added in the index split accounting. Signed-off-by: Johann Lombardi <johann.lombardi@bull.net> Signed-off-by: Alex Tomas <alex@clusterfs.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext3/4: don't do orphan processing on readonly devicesEric Sandeen2006-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | If you do something like: # touch foo # tail -f foo & # rm foo # <take snapshot> # <mount snapshot> you'll panic, because ext3/4 tries to do orphan list processing on the readonly snapshot device, and: kernel: journal commit I/O error kernel: Assertion failure in journal_flush_Rsmp_e2f189ce() at journal.c:1356: "!journal->j_checkpoint_transactions" kernel: Kernel panic: Fatal exception for a truly readonly underlying device, it's reasonable and necessary to just skip orphan list processing. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: fix _with_rsv freezeHugh Dickins2006-12-07
| | | | | | | | | | | | | Port fix to the off-by-one in find_next_usable_block's memscan from ext2 to ext4; but it didn't cause a serious problem for ext4 because the additional ext4_test_allocatable check rescued it from the error. [akpm@osdl.org: build fix] Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: use io_error labelHugh Dickins2006-12-07
| | | | | | | | | | | ext4_new_blocks has a nice io_error label for setting -EIO, so goto that in the one place that doesn't already use it. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: say rb_entry not list_entryHugh Dickins2006-12-07
| | | | | | | | | | | The reservations tree is an rb_tree not a list, so it's less confusing to use rb_entry() than list_entry() - though they're both just container_of(). Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: fix off-by-one against rsv_endHugh Dickins2006-12-07
| | | | | | | | | | | rsv_end is the last block within the reservation, so alloc_new_reservation should accept start_block == rsv_end as success. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: fix off-by-one against grp_goalHugh Dickins2006-12-07
| | | | | | | | | | | grp_goal 0 is a genuine goal (unlike -1), so ext4_try_to_allocate_with_rsv should treat it as such. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 balloc: reset windowsz when fullHugh Dickins2006-12-07
| | | | | | | | | | | | ext4_new_blocks should reset the reservation window size to 0 when squeezing the last blocks out of an almost full filesystem, so the retry doesn't skip any groups with less than half that free, reporting ENOSPC too soon. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: fix reservation extensionMingming Cao2006-12-07
| | | | | | | | | | | | | | | | | | | | | | Hugh Dickins wrote: > Not found anything relevant, but I keep noticing these lines > in ext2_try_to_allocate_with_rsv(), ext3 and ext4 similar: > > } else if (grp_goal > 0 && > (my_rsv->rsv_end - grp_goal + 1) < *count) > try_to_extend_reservation(my_rsv, sb, > *count-my_rsv->rsv_end + grp_goal - 1); > > They're wrong, a no-op in most groups, aren't they? rsv_end is an > absolute block number, whereas grp_goal is group-relative, so the > calculation ought to bring in group_first_block? Or I'm confused. > Signed-off-by: Mingming Cao <cmm@us.ibm.com> Cc: "linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] retries in ext4_prepare_write() violate ordering requirementsAndrey Savochkin2006-12-07
| | | | | | | | | | | | | | In journal=ordered or journal=data mode retry in ext4_prepare_write() breaks the requirements of journaling of data with respect to metadata. The fix is to call commit_write to commit allocated zero blocks before retry. Signed-off-by: Kirill Korotaev <dev@openvz.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ken Chen <kenneth.w.chen@intel.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4_ext_split(): remove dead codeAdrian Bunk2006-12-07
| | | | | | | | | | The Coverity checker noted that this was dead code, since in all places above in this function, "err" is immediately checked. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: uninline large functionsAndrew Morton2006-12-07
| | | | | | | | | Saves nearly 4kbytes on x86. Cc: Arnaldo Carvalho de Melo <acme@mandriva.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] handle ext4 directory corruption betterEric Sandeen2006-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've been using Steve Grubb's purely evil "fsfuzzer" tool, at http://people.redhat.com/sgrubb/files/fsfuzzer-0.4.tar.gz Basically it makes a filesystem, splats some random bits over it, then tries to mount it and do some simple filesystem actions. At best, the filesystem catches the corruption gracefully. At worst, things spin out of control. As you might guess, we found a couple places in ext4 where things spin out of control :) First, we had a corrupted directory that was never checked for consistency... it was corrupt, and pointed to another bad "entry" of length 0. The for() loop looped forever, since the length of ext4_next_entry(de) was 0, and we kept looking at the same pointer over and over and over and over... I modeled this check and subsequent action on what is done for other directory types in ext4_readdir... (adding this check adds some computational expense; I am testing a followup patch to reduce the number of times we check and re-check these directory entries, in all cases. Thanks for the idea, Andreas). Next we had a root directory inode which had a corrupted size, claimed to be > 200M on a 4M filesystem. There was only really 1 block in the directory, but because the size was so large, readdir kept coming back for more, spewing thousands of printk's along the way. Per Andreas' suggestion, if we're in this read error condition and we're trying to read an offset which is greater than i_blocks worth of bytes, stop trying, and break out of the loop. With these two changes fsfuzz test survives quite well on ext4. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Remove superfluous lock_super() in extN xattr codeAndreas Gruenbacher2006-12-07
| | | | | | | | | | lock_super() is unnecessary for setting super-block feature flags. Use the provided *_SET_COMPAT_FEATURE() macros as well. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: fsid for statvfsPekka Enberg2006-12-07
| | | | | | | | | | | | | | Update ext4_statfs to return an FSID that is a 64 bit XOR of the 128 bit filesystem UUID as suggested by Andreas Dilger. See the following Bugzilla entry for details: http://bugzilla.kernel.org/show_bug.cgi?id=136 Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Stephen Tweedie <sct@redhat.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] slab: remove kmem_cache_tChristoph Lameter2006-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] slab: remove SLAB_NOFSChristoph Lameter2006-12-07
| | | | | | | | SLAB_NOFS is an alias of GFP_NOFS. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: fix printk format warningsRandy Dunlap2006-10-28
| | | | | | | | | | | | | | | | | | fs/ext4/resize.c:72: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:76: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:81: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:85: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:89: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:89: warning: long long unsigned int format, __u64 arg (arg 5) fs/ext4/resize.c:93: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:93: warning: long long unsigned int format, __u64 arg (arg 5) fs/ext4/resize.c:98: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:103: warning: long long unsigned int format, __u64 arg (arg 4) fs/ext4/resize.c:109: warning: long long unsigned int format, __u64 arg (arg 4) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 whitespace cleanupsAndrew Morton2006-10-11
| | | | | | | | Someone's tab key is emitting spaces. Attempt to repair some of the damage. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: errors behaviour fixDmitry Mishin2006-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current error behaviour for ext2 and ext3 filesystems does not fully correspond to the documentation and should be fixed. According to man 8 mount, ext2 and ext3 file systems allow to set one of 3 different on-errors behaviours: ---- start of quote man 8 mount ---- errors=continue / errors=remount-ro / errors=panic Define the behaviour when an error is encountered. (Either ignore errors and just mark the file system erroneous and continue, or remount the file system read-only, or panic and halt the system.) The default is set in the filesystem superblock, and can be changed using tune2fs(8). ---- end of quote ---- However EXT3_ERRORS_CONTINUE is not read from the superblock, and thus ERRORS_CONT is not saved on the sbi->s_mount_opt. It leads to the incorrect handle of errors on ext3. Then we've checked corresponding code in ext2 and discovered that it is buggy as well: - EXT2_ERRORS_CONTINUE is not read from the superblock (the same); - parse_option() does not clean the alternative values and thus something like (ERRORS_CONT|ERRORS_RO) can be set; - if options are omitted, parse_option() does not set any of these options. Therefore it is possible to set any combination of these options on the ext2: - none of them may be set: EXT2_ERRORS_CONTINUE on superblock / empty mount options; - any of them may be set using mount options; - 2 any options may be set: by using EXT2_ERRORS_RO/EXT2_ERRORS_PANIC on the superblock and other value in mount options; - and finally all three options may be set by adding third option in remount. Currently ext2 uses these values only in ext2_error() and it is not leading to any noticeable troubles. However somebody may be discouraged when he will try to workaround EXT2_ERRORS_PANIC on the superblock by using errors=continue in mount options. This patch: EXT4_ERRORS_CONTINUE should be taken from the superblock as default value for error behaviour. Signed-off-by: Dmitry Mishin <dim@openvz.org> Acked-by: Vasily Averin <vvs@sw.ru> Acked-by: Kirill Korotaev <dev@openvz.org> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: rename logic_sb_blockAndrew Morton2006-10-11
| | | | | | | | | | | I assume this means "logical sb block". So call it that. I still don't understand the name though. A block is a block. What's different about this one? Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 64 bit divide fixAndrew Morton2006-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With CONFIG_LBD=n, sector_div() expands to a plain old divide. But ext4 is _not_ passing in a sector_t as the first argument, so... fs/built-in.o: In function `ext4_get_group_no_and_offset': fs/ext4/balloc.c:39: undefined reference to `__umoddi3' fs/ext4/balloc.c:41: undefined reference to `__udivdi3' fs/built-in.o: In function `find_group_orlov': fs/ext4/ialloc.c:278: undefined reference to `__udivdi3' fs/built-in.o: In function `ext4_fill_super': fs/ext4/super.c:1488: undefined reference to `__udivdi3' fs/ext4/super.c:1488: undefined reference to `__umoddi3' fs/ext4/super.c:1594: undefined reference to `__udivdi3' fs/ext4/super.c:1601: undefined reference to `__umoddi3' Fix that up by calling do_div() directly. Also cast the arg to u64. do_div() is only defined on u64, and ext4_fsblk_t is supposed to be opaque. Note especially the changes to find_group_orlov(). It was attempting to do do_div(int, unsigned long long); which is royally screwed up. Switched it to plain old divide. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4 uninline ext4_get_group_no_and_offset()Andrew Morton2006-10-11
| | | | | | | | Way too big to inline. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: move block number hi bitsAlexandre Ratchov2006-10-11
| | | | | | | | | | move '_hi' bits of block numbers in the larger part of the block group descriptor structure Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: allow larger descriptor sizeAlexandre Ratchov2006-10-11
| | | | | | | | | make block group descriptor larger. Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: removesector_t bits checkMingming Cao2006-10-11
| | | | | | | | | | | | | | Previously when in-kernel ext4 block type is sector_t, it's only 4 bits long under some 32bit arch (when CONFIG_LBD is not on). So we need to check the size of sector_t before we read 48bit long on-disk blocks to in-kernel blocks. These checks are unnecessary now as we changed the in-kernel blocks to unsigned longlong. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: blk_type from sector_t to unsigned long longMingming Cao2006-10-11
| | | | | | | | | | | Change ext4 in-kernel block type (ext4_fsblk_t) from sector_t to unsigned long long. Remove ext4 block type string micro E3FSBLK, replaced with "%llu" [akpm@osdl.org: build fix] Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: 64bit metadataLaurent Vivier2006-10-11
| | | | | | | | | | In-kernel super block changes to support >32 bit free blocks numbers. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: 48bit i_file_aclBadari Pulavarty2006-10-11
| | | | | | | | | | | | As we are planning to support 48-bit block numbers for ext4, we need to support 48-bit block numbers for extended attributes. In the short term, we can do this by reuse (on-disk) 16-bit padding (linux2.i_pad1 currently used only by "hurd") as high order bits for xattr. This patch basically does that. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: clean up comments in ext4-extents patchRandy Dunlap2006-10-11
| | | | | | | Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: uninitialised extent handlingSuparna Bhattacharya2006-10-11
| | | | | | | | | | | | Make it possible to add file preallocation support in future as an RO_COMPAT feature by recognizing uninitialized extents as holes and limiting extent length to keep the top bit of ee_len free for marking uninitialized extents. Signed-off-by: Suparna Bhattacharya <suparna@in.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: 48bit physical block number support in extentsAlex Tomas2006-10-11
| | | | | | | Signed-off-by: Alex Tomas <alex@clusterfs.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: switch fsblk to sector_tMingming Cao2006-10-11
| | | | | | | | | | Redefine ext3 in-kernel filesystem block type (ext3_fsblk_t) from unsigned long to sector_t, to allow kernel to handle >32 bit ext3 blocks. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext3: add extent map supportAlex Tomas2006-10-11
| | | | | | | | | | | | | | | | | | | On disk extents format: /* * this is extent on-disk structure * it's used at the bottom of the tree */ struct ext3_extent { __le32 ee_block; /* first logical block extent covers */ __le16 ee_len; /* number of blocks covered by extent */ __le16 ee_start_hi; /* high 16 bits of physical block */ __le32 ee_start; /* low 32 bigs of physical block */ }; Signed-off-by: Alex Tomas <alex@clusterfs.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] jbd2: enable building of jbd2 and have ext4 use it rather than jbdMingming Cao2006-10-11
| | | | | | | | | | Reworked from a patch by Mingming Cao and Randy Dunlap Signed-off-By: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbolsMingming Cao2006-10-11
| | | | | | | | | | Mingming Cao originally did this work, and Shaggy reproduced it using some scripts from her. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext4: initial copy of files from ext3Dave Kleikamp2006-10-11
Start of the ext4 patch series. See Documentation/filesystems/ext4.txt for details. This is a simple copy of the files in fs/ext3 to fs/ext4 and /usr/incude/linux/ext3* to /usr/include/ex4* Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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