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2013-06-29locks: encapsulate the fl_link list handlingJeff Layton1-9/+36
Move the fl_link list handling routines into a separate set of helpers. Also ensure that locks and requests are always put on global lists last (after fully initializing them) and are taken off before unintializing them. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29locks: make "added" in __posix_lock_file a boolJeff Layton1-4/+5
Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29locks: comment cleanups and clarificationsJeff Layton1-8/+13
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29locks: make generic_add_lease and generic_delete_lease staticJeff Layton1-2/+2
Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29cifs: use posix_unblock_lock instead of locks_delete_blockJeff Layton2-3/+2
commit 66189be74 (CIFS: Fix VFS lock usage for oplocked files) exported the locks_delete_block symbol. There's already an exported helper function that provides this capability however, so make cifs use that instead and turn locks_delete_block back into a static function. Note that if fl->fl_next == NULL then this lock has already been through locks_delete_block(), so we should be OK to ignore an ENOENT error here and simply not retry the lock. Cc: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29locks: drop the unused filp argument to posix_unblock_lockJeff Layton2-4/+2
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29Don't pass inode to ->d_hash() and ->d_compare()Linus Torvalds20-144/+95
Instances either don't look at it at all (the majority of cases) or only want it to find the superblock (which can be had as dentry->d_sb). A few cases that want more are actually safe with dentry->d_inode - the only precaution needed is the check that it hadn't been replaced with NULL by rmdir() or by overwriting rename(), which case should be simply treated as cache miss. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29minix: bug widening a binary "not" operationDan Carpenter1-1/+1
"chunk_size" is an unsigned int and "pos" is an unsigned long. The "& ~(chunk_size-1)" operation clears the high 32 bits unintentionally. The ALIGN() macro does the correct thing. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2013-06-29splice: lift checks from do_splice_from() into callersAl Viro1-11/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29constify rw_verify_area()Al Viro3-1/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29new helper: fixed_size_llseek()Al Viro1-0/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29ecryptfs: switch ecryptfs_decode_and_decrypt_filename() from dentry to sbAl Viro4-10/+8
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29fuse: another open-coded file_inode()Al Viro1-2/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29btrfs: more open-coded file_inode()Al Viro1-4/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29fanotify: quit wanking with FASYNC in ->release()Al Viro1-3/+0
... especially since there's no way to get that sucker on the list fsnotify_fasync() works with - the only thing adding to it is fsnotify_fasync() itself and it's never called for fanotify files while they are opened. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29kill find_inode_number()Al Viro2-31/+0
the only remaining caller (in ncpfs) is guaranteed to return 0 - we only hit it if we'd just checked that there's no dentry with such name. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29coda: don't bother with find_inode_number()Al Viro1-7/+1
the fallback it's using for dcache misses is actually the same value we would've used for inumber anyway. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29proc_fill_cache(): clean up, get rid of pointless find_inode_number() useAl Viro1-23/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29proc_fill_cache(): just make instantiate_t return intAl Viro4-49/+43
all instances always return ERR_PTR(-E...) or NULL, anyway Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29proc_pid_readdir(): stop wanking with proc_fill_cache() for /proc/selfAl Viro1-3/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29proc_fill_cache(): kill pointless checkAl Viro1-4/+2
we'd just checked that child->d_inode is non-NULL, for fuck sake! Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29ncpfs: don't bother with EBUSY on removal of busy directoriesAl Viro2-11/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29don't call file_pos_write() if vfs_{read,write}{,v}() failsAl Viro1-6/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29Replace a bunch of file->dentry->d_inode refs with file_inode()David Howells1-1/+1
Replace a bunch of file->dentry->d_inode refs with file_inode(). In __fput(), use file->f_inode instead so as not to be affected by any tricks that file_inode() might grow. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29udf: provide ->tmpfile()Al Viro1-0/+24
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29ext3 ->tmpfile() supportAl Viro1-1/+46
In this case we do need a bit more than usual, due to orphan list handling. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29allow the temp files created by open() to be linked toAl Viro2-3/+17
O_TMPFILE | O_CREAT => linkat() with AT_SYMLINK_FOLLOW and /proc/self/fd/<n> as oldpath (i.e. flink()) will create a link O_TMPFILE | O_CREAT | O_EXCL => ENOENT on attempt to link those guys Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK ↵Al Viro5-5/+122
now... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29allow build_open_flags() to return an errorAl Viro4-31/+41
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29lift file_*_write out of do_splice_direct()Al Viro2-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29lift file_*_write out of do_splice_from()Al Viro1-4/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29do_last(): fix missing checks for LAST_BIND caseAl Viro1-21/+3
/proc/self/cwd with O_CREAT should fail with EISDIR. /proc/self/exe, OTOH, should fail with ENOTDIR when opened with O_DIRECTORY. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] constify ->actorAl Viro6-53/+45
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] ->readdir() is goneAl Viro3-12/+7
everything's converted to ->iterate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert ecryptfsAl Viro1-20/+15
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert codaAl Viro1-58/+19
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert ocfs2Al Viro4-113/+61
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert fatfsAl Viro1-50/+54
... pox upon the idiotic ioctls; life would be much easier without those. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert xfsAl Viro7-61/+44
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert btrfsAl Viro3-40/+21
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert hostfsAl Viro1-7/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert afsAl Viro1-62/+37
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert ncpfsAl Viro1-43/+35
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert hfsplusAl Viro1-27/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert hfsAl Viro1-26/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert befsAl Viro1-18/+22
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert cifsAl Viro3-100/+82
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert freevxfsAl Viro1-32/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert fuseAl Viro1-20/+17
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-29[readdir] convert hpfsAl Viro1-27/+29
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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