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* Merge branch 'for-linus' of ↵Linus Torvalds2009-03-2768-446/+386
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (37 commits) fs: avoid I_NEW inodes Merge code for single and multiple-instance mounts Remove get_init_pts_sb() Move common mknod_ptmx() calls into caller Parse mount options just once and copy them to super block Unroll essentials of do_remount_sb() into devpts vfs: simple_set_mnt() should return void fs: move bdev code out of buffer.c constify dentry_operations: rest constify dentry_operations: configfs constify dentry_operations: sysfs constify dentry_operations: JFS constify dentry_operations: OCFS2 constify dentry_operations: GFS2 constify dentry_operations: FAT constify dentry_operations: FUSE constify dentry_operations: procfs constify dentry_operations: ecryptfs constify dentry_operations: CIFS constify dentry_operations: AFS ...
| * fs: avoid I_NEW inodesNick Piggin2009-03-274-11/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To be on the safe side, it should be less fragile to exclude I_NEW inodes from inode list scans by default (unless there is an important reason to have them). Normally they will get excluded (eg. by zero refcount or writecount etc), however it is a bit fragile for list walkers to know exactly what parts of the inode state is set up and valid to test when in I_NEW. So along these lines, move I_NEW checks upward as well (sometimes taking I_FREEING etc checks with them too -- this shouldn't be a problem should it?) Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Jan Kara <jack@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * Merge code for single and multiple-instance mountsSukadev Bhattiprolu2009-03-271-73/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | new_pts_mount() (including the get_sb_nodev()), shares a lot of code with init_pts_mount(). The only difference between them is the 'test-super' function passed into sget(). Move all common code into devpts_get_sb() and remove the new_pts_mount() and init_pts_mount() functions, Changelog[v3]: [Serge Hallyn]: Remove unnecessary printk()s Changelog[v2]: (Christoph Hellwig): Merge code in 'do_pts_mount()' into devpts_get_sb() Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Tested-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * Remove get_init_pts_sb()Sukadev Bhattiprolu2009-03-271-19/+6
| | | | | | | | | | | | | | | | | | | | With mknod_ptmx() moved to devpts_get_sb(), init_pts_mount() becomes a wrapper around get_init_pts_sb(). Remove get_init_pts_sb() and fold code into init_pts_mount(). Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * Move common mknod_ptmx() calls into callerSukadev Bhattiprolu2009-03-271-19/+17
| | | | | | | | | | | | | | | | | | | | We create 'ptmx' node in both single-instance and multiple-instance mounts. So devpts_get_sb() can call mknod_ptmx() once rather than have both modes calling mknod_ptmx() separately. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * Parse mount options just once and copy them to super blockSukadev Bhattiprolu2009-03-271-78/+22
| | | | | | | | | | | | | | | | | | Since all the mount option parsing is done in devpts, we could do it just once and pass it around in devpts functions and eventually store it in the super block. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * Unroll essentials of do_remount_sb() into devptsSukadev Bhattiprolu2009-03-271-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On remount, devpts fs only needs to parse the mount options. Users cannot directly create/dirty files in /dev/pts so the MS_RDONLY flag and shrinking the dcache does not really apply to devpts. So effectively on remount, devpts only parses the mount options and updates these options in its super block. As such, we could replace do_remount_sb() call with a direct parse_mount_options(). Doing so enables subsequent patches to avoid parsing the mount options twice and simplify the code. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * vfs: simple_set_mnt() should return voidSukadev Bhattiprolu2009-03-278-12/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | simple_set_mnt() is defined as returning 'int' but always returns 0. Callers assume simple_set_mnt() never fails and don't properly cleanup if it were to _ever_ fail. For instance, get_sb_single() and get_sb_nodev() should: up_write(sb->s_unmount); deactivate_super(sb); if simple_set_mnt() fails. Since simple_set_mnt() never fails, would be cleaner if it did not return anything. [akpm@linux-foundation.org: fix build] Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fs: move bdev code out of buffer.cNick Piggin2009-03-272-145/+146
| | | | | | | | | | | | | | Move some block device related code out from buffer.c and put it in block_dev.c. I'm trying to move non-buffer_head code out of buffer.c Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: restAl Viro2009-03-273-3/+3
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: configfsAl Viro2009-03-271-1/+1
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: sysfsAl Viro2009-03-271-1/+1
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: JFSAl Viro2009-03-272-3/+3
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: OCFS2Al Viro2009-03-272-2/+2
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: GFS2Al Viro2009-03-272-2/+2
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: FATAl Viro2009-03-272-3/+3
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: FUSEAl Viro2009-03-272-2/+2
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: procfsAl Viro2009-03-273-6/+6
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: ecryptfsAl Viro2009-03-272-2/+2
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: CIFSAl Viro2009-03-272-4/+4
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: AFSAl Viro2009-03-271-1/+1
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: autofs, autofs4Al Viro2009-03-273-4/+4
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: 9pAl Viro2009-03-272-4/+4
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: misc filesystemsAl Viro2009-03-2717-22/+21
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * constify dentry_operations: NFSAl Viro2009-03-272-3/+3
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * devpts: Must release s_umount on errorSukadev Bhattiprolu2009-03-271-0/+2
| | | | | | | | | | | | | | | | | | We should drop the ->s_umount mutex if an error occurs after the sget()/grab_super() call. This was introduced when adding support for multiple instances of devpts and noticed during a code review/reorg. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * do_pipe cleanup: drop its last user in arch/alpha/Cheng Renquan2009-03-271-5/+0
| | | | | | | | | | | | | | | | | | The last user of do_pipe is in arch/alpha/, after replacing it with do_pipe_flags, the do_pipe can be totally dropped. Signed-off-by: Cheng Renquan <crquan@gmail.com> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: copy symlink data into the correct union memberDuane Griffin2009-03-271-1/+1
| | | | | | | | | | | | | | | | | | | | Copy symlink data into the union member it is accessed through. Although this shouldn't make a difference to behaviour it makes the code easier to follow and grep through. It may also prevent problems if the struct/union definitions change in the future. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: ensure fast symlinks are NUL-terminatedDuane Griffin2009-03-271-2/+4
| | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: don't truncate longer ufs2 fast symlinksDuane Griffin2009-03-272-22/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ufs2 fast symlinks can be twice as long as ufs ones, however the code was using the ufs size in various places. Fix that so ufs2 symlinks over 60 characters aren't truncated. Note that we copy the entire area instead of using the maxsymlinklen field from the superblock. This way we will be more robust against corruption (of the superblock). While we are at it, use memcpy instead of open-coding it with for loops. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: validate maximum fast symlink size from superblockDuane Griffin2009-03-271-0/+11
| | | | | | | | | | | | | | | | | | The maximum fast symlink size is set in the superblock of certain types of UFS filesystem. Before using it we need to check that it isn't longer than the available space we have in the inode. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * cleanup may_openChristoph Hellwig2009-03-271-14/+12
| | | | | | | | | | | | | | | | | | Add a switch for the various i_mode fmt cases, and remove the comment about writeability of devices nodes - that part is handled in inode_permission and comment on (briefly) there. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * cleanup d_add_ciChristoph Hellwig2009-03-271-30/+18
| | | | | | | | | | | | | | | | | | Make sure that comments describe what's going on and not how, and always use __d_instantiate instead of two separate branches, one with d_instantiate and one with __d_instantiate. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * generic compat_sys_ustatChristoph Hellwig2009-03-271-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to a different size of ino_t ustat needs a compat handler, but currently only x86 and mips provide one. Add a generic compat_sys_ustat and switch all architectures over to it. Instead of doing various user copy hacks compat_sys_ustat just reimplements sys_ustat as it's trivial. This was suggested by Arnd Bergmann. Found by Eric Sandeen when running xfstests/017 on ppc64, which causes stack smashing warnings on RHEL/Fedora due to the too large amount of data writen by the syscall. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * affs: fix missing unlocks in affs_remove_linkChristoph Hellwig2009-03-271-2/+6
| | | | | | | | | | | | | | | | In two error cases affs_remove_link doesn't call affs_unlock_dir to release the i_hash_lock semaphore. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'for_linus' of ↵Linus Torvalds2009-03-2756-654/+815
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6: (27 commits) ext2: Zero our b_size in ext2_quota_read() trivial: fix typos/grammar errors in fs/Kconfig quota: Coding style fixes quota: Remove superfluous inlines quota: Remove uppercase aliases for quota functions. nfsd: Use lowercase names of quota functions jfs: Use lowercase names of quota functions udf: Use lowercase names of quota functions ufs: Use lowercase names of quota functions reiserfs: Use lowercase names of quota functions ext4: Use lowercase names of quota functions ext3: Use lowercase names of quota functions ext2: Use lowercase names of quota functions ramfs: Remove quota call vfs: Use lowercase names of quota functions quota: Remove dqbuf_t and other cleanups quota: Remove NODQUOT macro quota: Make global quota locks cacheline aligned quota: Move quota files into separate directory ext4: quota reservation for delayed allocation ...
| * | ext2: Zero our b_size in ext2_quota_read()Manish Katiyar2009-03-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ext2_quota_read() doesn't initialize tmp_bh.b_size before calling ext2_get_block() where we access it. Since it is a local variable it might contain some garbage. Make sure it is filled with reasonable value before passing. Signed-off-by: Manish Katiyar <mkatiyar@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
| * | trivial: fix typos/grammar errors in fs/KconfigMatt LaPlante2009-03-261-1/+1
| | | | | | | | | | | | | | | | | | | | | Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
| * | quota: Coding style fixesJan Kara2009-03-265-111/+198
| | | | | | | | | | | | | | | | | | | | | Wrap long lines, remove assignments from conditions, rewrite two overcomplicated for loops. Signed-off-by: Jan Kara <jack@suse.cz>
| * | quota: Remove superfluous inlinesJan Kara2009-03-263-10/+11
| | | | | | | | | | | | | | | | | | | | | Remove inlines of large functions to decrease code size (saved 1543 bytes). Signed-off-by: Jan Kara <jack@suse.cz>
| * | nfsd: Use lowercase names of quota functionsJan Kara2009-03-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. CC: bfields@fieldses.org CC: neilb@suse.de Signed-off-by: Jan Kara <jack@suse.cz>
| * | jfs: Use lowercase names of quota functionsJan Kara2009-03-268-36/+36
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com>
| * | udf: Use lowercase names of quota functionsJan Kara2009-03-262-11/+11
| | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz>
| * | ufs: Use lowercase names of quota functionsJan Kara2009-03-262-10/+10
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: Evgeniy Dushistov <dushistov@mail.ru>
| * | reiserfs: Use lowercase names of quota functionsJan Kara2009-03-265-22/+24
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: reiserfs-devel@vger.kernel.org
| * | ext4: Use lowercase names of quota functionsJan Kara2009-03-267-20/+20
| | | | | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Mingming Cao <cmm@us.ibm.com> CC: linux-ext4@vger.kernel.org
| * | ext3: Use lowercase names of quota functionsJan Kara2009-03-266-21/+21
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: linux-ext4@vger.kernel.org
| * | ext2: Use lowercase names of quota functionsJan Kara2009-03-264-14/+14
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: linux-ext4@vger.kernel.org
| * | ramfs: Remove quota callJan Kara2009-03-261-6/+0
| | | | | | | | | | | | | | | | | | Ramfs has no bussiness in quotas. Signed-off-by: Jan Kara <jack@suse.cz>
| * | vfs: Use lowercase names of quota functionsJan Kara2009-03-266-20/+21
| | | | | | | | | | | | | | | | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: Alexander Viro <viro@zeniv.linux.org.uk>
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