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2005-05-05NTFS: - Fix bug in fs/ntfs/attrib.c::ntfs_find_vcn_nolock() where afterAnton Altaparmakov
dropping the read lock and taking the write lock we were not checking whether someone else did not already do the work we wanted to do. - Rename ntfs_find_vcn_nolock() to ntfs_attr_find_vcn_nolock(). - Tidy up some comments in fs/ntfs/runlist.c. - Add LCN_ENOMEM and LCN_EIO definitions to fs/ntfs/runlist.h. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Add fs/ntfs/attrib.[hc]::ntfs_attr_vcn_to_lcn_nolock() used by the newAnton Altaparmakov
write code. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Add AT_EA in addition to AT_DATA to whitelist for being allowed to beAnton Altaparmakov
non-resident in fs/ntfs/attrib.c::ntfs_attr_can_be_non_resident(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Correct sparse file handling. The compressed values need to beAnton Altaparmakov
checked and set in the ntfs inode as done for compressed files and the compressed size needs to be used for vfs inode->i_blocks instead of the allocated size, again, as done for compressed files. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Make fs/ntfs/namei.c::ntfs_get_{parent,dentry} static and move theAnton Altaparmakov
definition of ntfs_export_ops from fs/ntfs/super.c to namei.c. Also, declare ntfs_export_ops in fs/ntfs/ntfs.h. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Fix printk format warnings on ia64. (Randy Dunlap)Randy Dunlap
Signed-off-by: Randy Dunlap <rddunlap@osdl.org> Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: - Set the ntfs_inode->allocated_size to the real allocated size in theAnton Altaparmakov
mft record for resident attributes (fs/ntfs/inode.c). - Small readability cleanup to use "a" instead of "ctx->attr" everywhere (fs/ntfs/inode.c). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Fix a nasty runlist merge bug when merging two holes.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Change time to u64 in time.h::ntfs2utc() as it otherwise generates aAnton Altaparmakov
warning in the do_div() call on sparc32. Thanks to Meelis Roos for the report and analysis of the warning. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: - Split ntfs_map_runlist() into ntfs_map_runlist() and a non-lockingAnton Altaparmakov
helper ntfs_map_runlist_nolock() which is used by ntfs_map_runlist(). This allows us to map runlist fragments with the runlist lock already held without having to drop and reacquire it around the call. Adapt all callers. - Change ntfs_find_vcn() to ntfs_find_vcn_nolock() which takes a locked runlist. This allows us to find runlist elements with the runlist lock already held without having to drop and reacquire it around the call. Adapt all callers. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Fix a bug in fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress() inAnton Altaparmakov
the creation of the unmapped runlist element for the base attribute extent. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: - Add disable_sparse mount option together with a per volume sparseAnton Altaparmakov
enable bit which is set appropriately and a per inode sparse disable bit which is preset on some system file inodes as appropriate. - Enforce that sparse support is disabled on NTFS volumes pre 3.0. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Optimise/reorganise some error handling code in fs/ntfs/aops.c.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Fixup the resident attribute resizing code inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_{prepare,commit}_write()() and re-enable it. It should be safe now. (Famous last words...) Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Fix stupid bug in fs/ntfs/mft.c introduced in last changeset.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Repeat a failed ntfs_truncate() in fs/ntfs/aops.c::ntfs_writepage()Anton Altaparmakov
and abort if it fails again. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Use i_size_{read,write}() in fs/ntfs/{aops.c,mft.c} and protectAnton Altaparmakov
access to the i_size and other size fields using the size_lock. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: Use i_size_read() in fs/ntfs/inode.c once and then use the cached valueAnton Altaparmakov
afterwards when reading the size of the bitmap inode. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: - Use i_size_read() in fs/ntfs/super.c once and then use the cachedAnton Altaparmakov
value afterwards. Cache the initialized_size in the same way and protect access to the two sizes using the size_lock. - Minor optimization to fs/ntfs/super.c::ntfs_statfs() and its helpers. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: In fs/ntfs/dir.c, use i_size_read() once and then the cached valueAnton Altaparmakov
afterwards. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05NTFS: - In fs/ntfs/compress.c, use i_size_read() at the start and then use theAnton Altaparmakov
cached value everywhere. Cache the initialized_size in the same way and protect the critical region where the two sizes are read using the new size_lock of the ntfs inode. - Add the new size_lock to the ntfs_inode structure (fs/ntfs/inode.h) and initialize it (fs/ntfs/inode.c). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-05Merge with /usr/src/ntfs-2.6.gitAnton Altaparmakov
2005-05-04NTFS: Use i_size_read() in fs/ntfs/file.c::ntfs_file_open().Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-04NTFS: Use i_size_read() once and then use the cached value inAnton Altaparmakov
fs/ntfs/lcnalloc.c::ntfs_cluster_alloc(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-04NTFS: Use i_size_read() in fs/ntfs/logfile.c::ntfs_{check,empty}_logfile().Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-04JFS: Endian errorsDave Kleikamp
Thanks sparse! Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
2005-05-04NTFS: Use i_size_read() in fs/ntfs/attrib.c::ntfs_attr_set().Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-05-02[PATCH] JFS: Don't allocate extents that overlap existing extentsDave Kleikamp
Modify xtSearch so that it returns the next allocated block when the requested block is unmapped. This can be used to make sure we don't create a new extent that overlaps the next one. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-02[PATCH] JFS: Write journal sync points more oftenDave Kleikamp
This patch adds jfs_syncpt, which calls lmLogSync to write sync points to the journal both in jfs_sync_fs and when sync barrier processing completes. lmLogSync accomplishes two things: 1) it pushes logged-but-dirty metadata pages to disk, and 2) it writes a sync record to the journal so that jfs_fsck doesn't need to replay more transactions than is necessary. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-02[PATCH] JFS: Support page sizes greater than 4KDave Kleikamp
jfs has never worked on architecutures where the page size was not 4K. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-02[PATCH] JFS: Changes for larger page sizeDave Kleikamp
JFS code has always assumed a page size of 4K. This patch fixes the non-pagecache uses of pages to deal with larger pages. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-02[PATCH] JFS: Simplify creation of new iagDave Kleikamp
JFS was creating a new IAG (inode aggregate group) in one address space, and afterwards, accessing it from another. This could lead to complications when cache pages contain more than one page of jfs metadata. This patch causes the IAG to be initialized in the same address space that it is subsequently accessed with. This also elimitates an I/O, but IAG's aren't created too often. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-02[PATCH] JFS: reduce number of synchronous transactionsDave Kleikamp
Use an inline pxd list rather than an xad list in the xadlock. When the number of extents being modified can fit with the xadlock, a transaction can be committed asynchronously. Using a list of pxd's instead of xad's allows us to fit 4 extents, rather than 2. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] DocBook: fix some descriptionsMartin Waitz
Some KernelDoc descriptions are updated to match the current code. No code changes. Signed-off-by: Martin Waitz <tali@admingilde.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] DocBook: changes and extensions to the kernel documentationPavel Pisa
I have recompiled Linux kernel 2.6.11.5 documentation for me and our university students again. The documentation could be extended for more sources which are equipped by structured comments for recent 2.6 kernels. I have tried to proceed with that task. I have done that more times from 2.6.0 time and it gets boring to do same changes again and again. Linux kernel compiles after changes for i386 and ARM targets. I have added references to some more files into kernel-api book, I have added some section names as well. So please, check that changes do not break something and that categories are not too much skewed. I have changed kernel-doc to accept "fastcall" and "asmlinkage" words reserved by kernel convention. Most of the other changes are modifications in the comments to make kernel-doc happy, accept some parameters description and do not bail out on errors. Changed <pid> to @pid in the description, moved some #ifdef before comments to correct function to comments bindings, etc. You can see result of the modified documentation build at http://cmp.felk.cvut.cz/~pisa/linux/lkdb-2.6.11.tar.gz Some more sources are ready to be included into kernel-doc generated documentation. Sources has been added into kernel-api for now. Some more section names added and probably some more chaos introduced as result of quick cleanup work. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: Martin Waitz <tali@admingilde.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] ext3: remove unnecessary race then retry in ext3_get_blockMingming Cao
The extra race-with-truncate-then-retry logic around ext3_get_block_handle(), which was inherited from ext2, becomes unecessary for ext3, since we have already obtained the ei->truncate_sem in ext3_get_block_handle() before calling ext3_alloc_branch(). The ei->truncate_sem is already there to block concurrent truncate and block allocation on the same inode. So the inode's indirect addressing tree won't be changed after we grab that semaphore. We could, after get the semaphore, re-verify the branch is up-to-date or not. If it has been changed, then get the updated branch. If we still need block allocation, we will have a safe version of the branch to work with in the ext3_find_goal()/ext3_splice_branch(). The code becomes more readable after remove those retry logic. The patch also clean up some gotos in ext3_get_block_handle() to make it more readable. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] reiserfs endianness: comp_short_keys() cleanupAl Viro
comp_short_keys() massaged into sane form, which kills the last place where pointer to in_core_key (or any object containing such) would be cast to or from something else. At that point we are free to change layout of in_core_key - nothing depends on it anymore. So we drop the mess with union in there and simply use (unconditional) __u64 k_offset and __u8 k_type instead; places using in_core_key switched to those. That gives _far_ better code than current mess - on all platforms. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Cc: <reiserfs-dev@namesys.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] reiserfs endianness: fix endianness bugsAl Viro
fixes for a couple of bugs exposed by the above: le32_to_cpu() used on 16bit value and missing conversion in comparison of host- and little-endian values. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Cc: <reiserfs-dev@namesys.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] reiserfs endianness: annotate little-endian objectsAl Viro
little-endian objects annotated as such; again, obviously no changes of resulting code, we only replace __u16 with __le16, etc. in relevant places. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Cc: <reiserfs-dev@namesys.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] reiserfs endianness: clone struct reiserfs_keyAl Viro
struct reiserfs_key cloned; (currently) identical struct in_core_key added. Places that expect host-endian data in reiserfs_key switched to in_core_key. Basically, we get annotation of reiserfs_key users and keep the resulting tree obviously equivalent to original. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Cc: <reiserfs-dev@namesys.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] autofs4: tree race fixIan Kent
For tree mount maps, a call to chdir or chroot, to a directory above the moint point directories at a certain time during the expire results in the expire incorrectly thinking the tree is not busy. This patch adds a check to see if the filesystem above the tree mount points is busy and also locks the filesystem during the tree mount expire to prevent the race. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] autofs4: wait order fixIan Kent
It's possible for an event wait request to arive before the event requestor. If this happens the daemon never gets notified and autofs hangs. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] hfs, hfsplus: don't leak s_fs_info and fix an oopsColin Leroy
This patch fixes the leak of sb->s_fs_info in both the HFS and HFS+ modules. In addition to this, it fixes an oops happening when trying to mount a non-hfsplus filesystem using hfsplus. This patch is from Roman Zippel, based off patches sent by myself. Signed-off-by: Colin Leroy <colin@colino.net> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] aio: optimize io_submit_one()Ken Chen
This patch optimizes io_submit_one to call aio_run_iocb() directly if ctx->run_list is empty. When the list is empty, the operation of adding to the list, then call to __aio_run_iocbs() is unnecessary because these operations are done in one atomic step. ctx->run_list always has only one element in this case. This optimization speeds up industry standard db transaction processing benchmark by 0.2%. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Suparna Bhattacharya <suparna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] aio: clean up debug codeKen Chen
Clean up code that was previously used for debug purpose. Remove aio_run, aio_wakeups, iocb->ki_queued and iocb->ki_kicked. Also clean up unused variable count in __aio_run_iocbs() and debug code in read_events(). Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Suparna Bhattacharya <suparna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] aio: ring wrapping simplificationKen Chen
Since the tail pointer in aio_ring structure never wrap ring size more than once, so a simple compare is sufficient to wrap the index around. This avoid a more expensive mod operation. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Suparna Bhattacharya <suparna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] aio: remove superfluous kiocb member initializationKen Chen
This patch removes superfluous kiocb member initialization in the AIO allocation and deallocation path. For example, in really_put_req(), right before kiocb is returned to slab, 5 variables are reset to NULL. The same variables will be initialized at the kiocb allocation time, so why bother reset them knowing that they will be set to valid data at alloc time? Another example: ki_retry is initialized in __aio_get_req, but is initialized again in io_submit_one. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Suparna Bhattacharya <suparna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] convert that currently tests _NSIG directly to use valid_signal()Jesper Juhl
Convert most of the current code that uses _NSIG directly to instead use valid_signal(). This avoids gcc -W warnings and off-by-one errors. Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] reiserfs: journal_init fixEdward Shishkin
This fixes segmentation fault when specifying bad journal device via a mount option. Don't pass a zero pointer to bdevname() if filp_open() returns error. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-01[PATCH] Fix rewriting on a full reiserfs filesystemJan Kara
Allow rewriting of a file and extending a file upto the end of the allocated block on a full filesystem. From: Chris Mason <mason@suse.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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