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* nilfs2: add compat ioctlRyusuke Konishi2011-03-081-1/+1
| | | | | | | | | The current FS_IOC_GETFLAGS/SETFLAGS/GETVERSION will fail if application is 32 bit and kernel is 64 bit. This issue is avoidable by adding compat_ioctl method. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: use common file attribute macrosRyusuke Konishi2011-03-081-3/+0
| | | | | | | | Replaces uses of own inode flags (i.e. NILFS_SECRM_FL, NILFS_UNRM_FL, NILFS_COMPR_FL, and so forth) with common inode flags, and removes the own flag declarations. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: do not pass sbi to functions which can get it from inodeRyusuke Konishi2011-01-101-2/+1
| | | | | | | | | | | This removes argument for passing nilfs_sb_info structure from nilfs_set_file_dirty and nilfs_load_inode_block functions. We can get a pointer to the structure from inodes. [Stephen Rothwell <sfr@canb.auug.org.au>: fix conflict with commit b74c79e99389cd79b31fcc08f82c24e492e63c7e] Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-08-101-19/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
| * introduce __block_write_beginChristoph Hellwig2010-08-091-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | Split up the block_write_begin implementation - __block_write_begin is a new trivial wrapper for block_prepare_write that always takes an already allocated page and can be either called from block_write_begin or filesystem code that already has a page allocated. Remove the handling of already allocated pages from block_write_begin after switching all callers that do it to __block_write_begin. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * clean up write_begin usage for directories in pagecacheChristoph Hellwig2010-08-091-19/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For filesystem that implement directories in pagecache we call block_write_begin with an already allocated page for this code, while the normal regular file write path uses the default block_write_begin behaviour. Get rid of the __foofs_write_begin helper and opencode the normal write_begin call in foofs_write_begin, while adding a new foofs_prepare_chunk helper for the directory code. The added benefit is that foofs_prepare_chunk has a much saner calling convention. Note that the interruptible flag passed into block_write_begin is always ignored if we already pass in a page (see next patch for details), and we never were doing truncations of exessive blocks for this case either so we can switch directly to block_write_begin_newtrunc. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | nilfs2: avoid rec_len overflow with 64KB block sizeRyusuke Konishi2010-07-251-12/+14
| | | | | | | | | | | | | | | | | | | | | | With 64KB blocksize, a directory entry can have size 64KB which does not fit into 16 bits we have for entry length. So this patch stores 0xffff instead and converts value when read from / written to disk. Nilfs derives its directory implementation from ext2 filesystem, and this draws upon the corresponding change on ext2. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | nilfs2: simplify nilfs_get_page functionRyusuke Konishi2010-07-241-5/+2
|/ | | | | | | | | | | | | | Implementation of nilfs_get_page() is a bit old as below: - A common read_mapping_page inline function is now available instead of its read_cache_page use. - wait_on_page_locked() use in the function is eliminable since read_cache_page function does the same thing through wait_on_page_read(). - PageUptodate() check is eliminable for the same reason. This renews nilfs_get_page() based on these points. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix typo "cout" -> "count" in error messageRyusuke Konishi2010-03-141-1/+1
| | | | Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs: sanitize const/signedness in dealing with ->d_name.nameAl Viro2010-03-031-2/+2
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* nilfs really shouldn't slap struct dentry on stack...Al Viro2010-03-031-5/+5
| | | | | | ... especially when it only needs (and initializes) .d_name of it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* nilfs2: replace mark_inode_dirty as nilfs_mark_inode_dirtyJiro SEKIBA2009-11-271-1/+1
| | | | | | | | Replace mark_inode_dirty() as nilfs_mark_inode_dirty() to reduce deep function calls. Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: delete mark_inode_dirty in nilfs_delete_entryJiro SEKIBA2009-11-271-1/+0
| | | | | | | | Delete mark_inode_dirty() in nilfs_delete_entry() to reduce duplicate mark_inode_dirty() calls both in nilfs_rename() and nilfs_delete_entry(). Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: delete mark_inode_dirty in nilfs_commit_chunkJiro SEKIBA2009-11-271-3/+1
| | | | | | | | | Delete mark_inode_dirty() in nilfs_commit_chunk(), for callers of nilfs_commit_chunk() will call equivalent mark_inode_dirty() after calling nilfs_commit_chunk(). Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: change return type of nilfs_commit_chunkJiro SEKIBA2009-11-271-8/+8
| | | | | | | | | | | change return type of nilfs_commit_chunk() as void from int, for nilfs_set_file_dirty() usually does not return error. This is an intermediate patch to reduce mark_inode_dirty() in nilfs_commit_chunk(). Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: delete mark_inode_dirty from nilfs_set_linkJiro SEKIBA2009-11-271-1/+0
| | | | | | | | Delete mark_inode_dirty() from nilfs_set_link() to reduce redundant mark_inode_dirty() calls in caller of nilfs_set_link(). Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* const: constify remaining file_operationsAlexey Dobriyan2009-10-011-1/+1
| | | | | | | | [akpm@linux-foundation.org: fix KVM] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* headers: smp_lock.h reduxAlexey Dobriyan2009-07-121-1/+0
| | | | | | | | | | | | | * Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* nilfs2: use unlocked_ioctlRyusuke Konishi2009-04-071-1/+1
| | | | | | | | | | | | | Pekka Enberg suggested converting ->ioctl operations to use ->unlocked_ioctl to avoid BKL. The conversion was verified to be safe, so I will take it on this occasion. Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* nilfs2: remove compat ioctl codeRyusuke Konishi2009-04-071-1/+1
| | | | | | | | | This removes compat code from the nilfs ioctls and applies the same function for both .ioctl and .compat_ioctl file operations. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* nilfs2: directory entry operationsYoshiji Amagai2009-04-071-0/+711
This adds directory handling functions, most of which comes from the ext2 file system. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Yoshiji Amagai <amagai.yoshiji@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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