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* fs/affs: add rename2 to prepare multiple methodsFabian Frederick2017-05-051-1/+1
| | | | | | | | | Currently AFFS only supports RENAME_NOREPLACE. This patch isolates that method to a static function to prepare RENAME_EXCHANGE addition. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/affs: import amigaffs.hFabian Frederick2017-04-271-1/+1
| | | | | | | Have that file in global include/linux is not needed. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/affs: add prefix to some functionsFabian Frederick2017-02-281-3/+3
| | | | | | | | | | | | | | secs_to_datestamp(time64_t secs, struct affs_date *ds); prot_to_mode(u32 prot); mode_to_prot(struct inode *inode); were declared without affs_ prefix Link: http://lkml.kernel.org/r/20170109191208.6085-6-fabf@skynet.be Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: make affs exportableFabian Frederick2017-02-281-0/+1
| | | | | | | | | | | | Add standard functions making AFFS work with NFS. Functions based on ext4 implementation. Tested on loop device. Link: http://lkml.kernel.org/r/20170109191208.6085-4-fabf@skynet.be Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: add validation block functionFabian Frederick2017-02-281-4/+10
| | | | | | | | | | Avoid repeating 4 times the same calculation. Link: http://lkml.kernel.org/r/20170109191208.6085-3-fabf@skynet.be Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: remove reference to affs_parent_ino()Fabian Frederick2017-02-281-1/+0
| | | | | | | | | | | | | | | | Patch series "make FS exportable plus some clean-up", v7. This small patchset makes AFFS work with NFS for standard operations. THis patch (of 7): affs_parent_ino() was removed a long time ago. Link: http://lkml.kernel.org/r/20170109191208.6085-2-fabf@skynet.be Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs: support RENAME_NOREPLACE for local filesystemsMiklos Szeredi2016-09-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is trivial to do: - add flags argument to foo_rename() - check if flags doesn't have any other than RENAME_NOREPLACE - assign foo_rename() to .rename2 instead of .rename Filesystems converted: affs, bfs, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Acked-by: Boaz Harrosh <ooo@electrozaur.com> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: Bob Copeland <me@bobcopeland.com> Acked-by: Jan Kara <jack@suse.cz> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@infradead.org>
* fs:affs:Replace time_t with time64_tDengChao2016-01-091-1/+1
| | | | | | | | | | | | | The affs code uses "time_t" and "get_seconds()". This will cause problems on 32-bit architectures in 2038 when time_t overflows. This patch replaces them with "time64_t" and "ktime_get_real_seconds()". This patch introduces expensive 64-bit divsion in "secs_to_datestamp()", considering this function is not called so often, the cost should be acceptable. Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: DengChao <chao.deng@linaro.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs: cleanup slight list_entry abuseRasmus Villemoes2015-06-241-1/+1
| | | | | | | | | list_entry is just a wrapper for container_of, but it is arguably wrong (and slightly confusing) to use it when the pointed-to struct member is not a struct list_head. Use container_of directly instead. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/affs/affs.h: add mount option manipulation macrosFabian Frederick2015-04-171-0/+4
| | | | | | | | Add clear/set/test affs mount option macros. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: use AFFS_MOUNT prefix for mount optionsFabian Frederick2015-04-171-12/+12
| | | | | | | | | Currently, affs still uses direct access on mount_options. This patch prepares to use affs_clear/set/test_opt() like other filesystems. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: define AFFSNAMEMAX to replace constant useFabian Frederick2015-02-171-0/+2
| | | | | | | | | 30 was used all over the place to compare name length against AFFS maximum name length. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs/amigaffs.c: use va_format instead of buffer/vnsprintfFabian Frederick2014-12-131-0/+2
| | | | | | | | | | | | | -Remove ErrorBuffer and use %pV -Add __printf to enable argument mistmatch warnings Original patch by Joe Perches. Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: pr_debug cleanupFabian Frederick2014-06-071-5/+5
| | | | | | | | | | | | | - Remove AFFS: prefix (defined in pr_fmt) - Use __func__ - Separate format/arguments on lines > 80 characters. Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/affs: convert printk to pr_foo()Fabian Frederick2014-06-071-0/+6
| | | | | | | | | | | | | -All printk(KERN_foo converted to pr_foo() -Default printk converted to pr_warn() -Add pr_fmt to affs.h Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* affs: add mount option to avoid filename truncatesFabian Frederick2014-04-081-12/+8
| | | | | | | | | | | | | | | | | | Normal behavior for filenames exceeding specific filesystem limits is to refuse operation. AFFS standard name length being only 30 characters against 255 for usual Linux filesystems, original implementation does filename truncate by default with a define value AFFS_NO_TRUNCATE which can be enabled but needs module compilation. This patch adds 'nofilenametruncate' mount option so that user can easily activate that feature and avoid a lot of problems (eg overwrite files ...) Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* userns: Convert affs to use kuid/kgid wherwe appropriateEric W. Biederman2012-09-211-2/+2
| | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* don't pass nameidata to ->create()Al Viro2012-07-141-1/+1
| | | | | | | | boolean "does it have to be exclusive?" flag is passed instead; Local filesystem should just ignore it - the object is guaranteed not to be there yet. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* stop passing nameidata to ->lookup()Al Viro2012-07-141-1/+1
| | | | | | | | | Just the flags; only NFS cares even about that, but there are legitimate uses for such argument. And getting rid of that completely would require splitting ->lookup() into a couple of methods (at least), so let's leave that alone for now... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* affs: get rid of affs_sync_superArtem Bityutskiy2012-07-141-0/+6
| | | | | | | | | | | | | | | | | | This patch makes affs stop using the VFS '->write_super()' method along with the 's_dirt' superblock flag, because they are on their way out. The whole "superblock write-out" VFS infrastructure is served by the 'sync_supers()' kernel thread, which wakes up every 5 (by default) seconds and writes out all dirty superblocks using the '->write_super()' call-back. But the problem with this thread is that it wastes power by waking up the system every 5 seconds, even if there are no diry superblocks, or there are no client file-systems which would need this (e.g., btrfs does not use '->write_super()'). So we want to kill it completely and thus, we need to make file-systems to stop using the '->write_super()' VFS service, and then remove it together with the kernel thread. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* affs: introduce VFS superblock object back-referenceArtem Bityutskiy2012-07-141-0/+1
| | | | | | | | | Add an 'sb' VFS superblock back-reference to the 'struct affs_sb_info' data structure - we will need to find the VFS superblock from a 'struct affs_sb_info' object in the next patch, so this change is jut a preparation. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* affs: bury unused macrosAl Viro2012-05-301-8/+0
| | | | | | ... unused since 2.4.4. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* affs: propagate umode_tAl Viro2012-01-041-1/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch ->create() to umode_tAl Viro2012-01-041-1/+1
| | | | | | | | vfs_create() ignores everything outside of 16bit subset of its mode argument; switching it to umode_t is obviously equivalent and it's the only caller of the method Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch vfs_mkdir() and ->mkdir() to umode_tAl Viro2012-01-041-1/+1
| | | | | | | vfs_mkdir() gets int, but immediately drops everything that might not fit into umode_t and that's the only caller of ->mkdir()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlersJosef Bacik2011-07-211-1/+1
| | | | | | | | | | | | | | | Btrfs needs to be able to control how filemap_write_and_wait_range() is called in fsync to make it less of a painful operation, so push down taking i_mutex and the calling of filemap_write_and_wait() down into the ->fsync() handlers. Some file systems can drop taking the i_mutex altogether it seems, like ext3 and ocfs2. For correctness sake I just pushed everything down in all cases to make sure that we keep the current behavior the same for everybody, and then each individual fs maintainer can make up their mind about what to do from there. Thanks, Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch affsAl Viro2011-01-131-0/+1
| | | | | | either d_op instance would work for root, actually... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch affs to ->evict_inode()Al Viro2010-08-091-2/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* drop unused dentry argument to ->fsyncChristoph Hellwig2010-05-281-1/+1
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* pass writeback_control to ->write_inodeChristoph Hellwig2010-03-051-1/+2
| | | | | | | | | | This gives the filesystem more information about the writeback that is happening. Trond requested this for the NFS unstable write handling, and other filesystems might benefit from this too by beeing able to distinguish between the different callers in more detail. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Fix remount races with symlink handling in affsAl Viro2010-01-271-1/+1
| | | | | | | | A couple of fields in affs_sb_info is used in follow_link() and symlink() for handling AFFS "absolute" symlinks. Need locking against affs_remount() updates. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* sanitize ->fsync() for affsAl Viro2009-06-121-0/+1
| | | | | | | | | unfortunately, for affs (especially for affs directories) we have no real way to keep track of metadata ownership. So we have to do more or less what file_fsync() does, but we do *not* need to call write_super() there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* constify dentry_operations: misc filesystemsAl Viro2009-03-271-2/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* affs: convert s_bmlock into a mutexMatthias Kaehlcke2008-07-261-1/+2
| | | | | | | | | The semaphore s_bmlock is used as a mutex. Convert it to the mutex API. Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] fix reservation discarding in affsRoman Zippel2008-05-061-3/+1
| | | | | | | | | | | | | | - remove affs_put_inode, so preallocations aren't discared unnecessarily often. - remove affs_drop_inode, it's called with a spinlock held, so it can't use a mutex. - make i_opencnt atomic - avoid direct b_count manipulations - a few allocation failure fixes, so that these are more gracefully handled now. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* iget: stop AFFS from using iget() and read_inode()David Howells2008-02-071-1/+2
| | | | | | | | | | | | | | | | | Stop the AFFS filesystem from using iget() and read_inode(). Replace affs_read_inode() with affs_iget(), and call that instead of iget(). affs_iget() then uses iget_locked() directly and returns a proper error code instead of an inode in the event of an error. affs_fill_super() returns any error incurred when getting the root inode instead of EINVAL. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: David Howells <dhowells@redhat.com> Cc: Roman Zippel <zippel@linux-m68k.org> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] affs: implement ->drop_inodeChristoph Hellwig2007-02-211-0/+1
| | | | | | | | | | | | | affs wants to truncate the inode when the last user goes away, currently it does that through a potentially racy i_count check in ->put_inode. But we already have a method that's called just after the we dropped the last reference, ->drop_inode. This patch implements affs_drop_inode to take advantage of this. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] mark struct inode_operations const 1Arjan van de Ven2007-02-121-3/+3
| | | | | | | | | | | Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Move several *_SUPER_MAGIC symbols to include/linux/magic.h.Jeff Garzik2006-09-241-1/+0
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] mark address_space_operations constChristoph Hellwig2006-06-281-3/+3
| | | | | | | | | | Same as with already do with the file operations: keep them in .rodata and prevents people from doing runtime patching. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Make most file operations structs in fs/ constArjan van de Ven2006-03-281-3/+3
| | | | | | | | | | | | | | This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+304
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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