iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/fs
History
Jens Axboe 895538f9d3 fs: add fget_many() and fput_many() 
commit 091141a42e15fe47ada737f3996b317072afcefb upstream.

Some uses cases repeatedly get and put references to the same file, but
the only exposed interface is doing these one at the time. As each of
these entail an atomic inc or dec on a shared structure, that cost can
add up.

Add fget_many(), which works just like fget(), except it takes an
argument for how many references to get on the file. Ditto fput_many(),
which can drop an arbitrary number of references to a file.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-08 08:50:13 +01:00
..
9p
9P: Cast to loff_t before multiplying
2020-11-05 11:08:53 +01:00
adfs
fs/adfs: super: fix use-after-free bug
2019-08-06 19:06:49 +02:00
affs
fs/affs: release old buffer head on error path
2021-03-04 09:39:55 +01:00
afs
afs: Fix an IS_ERR() vs NULL check
2021-06-30 08:48:14 -04:00
autofs
autofs: fix a leak in autofs_expire_indirect()
2019-12-13 08:51:01 +01:00
befs
…
bfs
bfs: add sanity check at bfs_fill_super()
2018-12-01 09:37:27 +01:00
btrfs
btrfs: check-integrity: fix a warning on write caching disabled disk
2021-12-08 08:50:11 +01:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-05 11:08:54 +01:00
ceph
ceph: lockdep annotations for try_nonblocking_invalidate
2021-09-26 13:39:48 +02:00
cifs
cifs: fix incorrect check for null pointer in header_assemble
2021-10-06 15:31:10 +02:00
coda
coda: add error handling for fget
2019-08-06 19:06:51 +02:00
configfs
configfs: fix memleak in configfs_release_bin_file
2021-07-20 16:15:57 +02:00
cramfs
Cramfs: fix abad comparison when wrap-arounds occur
2018-11-13 11:08:55 -08:00
crypto
fscrypt: add fscrypt_symlink_getattr() for computing st_size
2021-09-22 11:47:56 +02:00
debugfs
debugfs: fix use-after-free on symlink traversal
2019-05-08 07:21:48 +02:00
devpts
fs/devpts: always delete dcache dentry-s in dput()
2019-03-23 20:09:59 +01:00
dlm
fs: dlm: fix memory leak when fenced
2021-07-20 16:15:46 +02:00
ecryptfs
Revert "ecryptfs: replace BUG_ON with error handling code"
2021-05-26 11:48:34 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-12-02 08:48:12 +01:00
efs
…
exofs
exofs_mount(): fix leaks on failure exits
2019-12-05 09:20:32 +01:00
exportfs
exportfs: fix 'passing zero to ERR_PTR()' warning
2020-01-27 14:50:02 +01:00
ext2
ext2: fix sleeping in atomic bugs on error
2021-10-09 14:11:03 +02:00
ext4
ext4: fix lazy initialization next schedule time computation in more granular unit
2021-11-26 11:36:18 +01:00
f2fs
f2fs: should use GFP_NOFS for directory inodes
2021-11-26 11:36:17 +01:00
fat
fat: don't allow to mount if the FAT length == 0
2020-06-22 09:05:08 +02:00
freevxfs
…
fscache
fscache: Fix cookie key hashing
2021-09-22 11:48:02 +02:00
fuse
fuse: release pipe buf after last use
2021-12-01 09:27:44 +01:00
gfs2
gfs2: Fix length of holes reported at end-of-file
2021-12-08 08:50:11 +01:00
hfs
hfs: add lock nesting notation to hfs_find_init
2021-07-31 08:22:38 +02:00
hfsplus
hfsplus: prevent corruption in shrinking truncate
2021-05-22 10:59:45 +02:00
hostfs
…
hpfs
hpfs: remove unnecessary checks on the value of r when assigning error code
2018-08-25 12:42:33 -07:00
hugetlbfs
hugetlbfs: hugetlb_fault_mutex_hash() cleanup
2021-06-03 08:38:12 +02:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 14:40:50 +01:00
jbd2
jbd2: abort journal if free a async write error metadata buffer
2020-09-03 11:24:24 +02:00
jffs2
jffs2: check the validity of dstlen in jffs2_zlib_compress()
2021-05-22 10:59:21 +02:00
jfs
JFS: fix memleak in jfs_mount
2021-11-26 11:36:12 +01:00
kernfs
kernfs: fix ino wrap-around detection
2019-12-13 08:52:43 +01:00
lockd
lockd: don't use interval-based rebinding over TCP
2020-12-30 11:25:59 +01:00
minix
fs/minix: remove expected error message in block_to_path()
2020-08-21 11:05:38 +02:00
nfs
NFSv42: Fix pagecache invalidation after COPY/CLONE
2021-12-08 08:50:11 +01:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:26:02 +01:00
nfsd
NFSD: Keep existing listeners on portlist error
2021-10-27 09:53:12 +02:00
nilfs2
nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group
2021-09-26 13:39:49 +02:00
nls
…
notify
fanotify: fix ignore mask logic for events on child and on dir
2020-06-30 23:17:00 -04:00
ntfs
ntfs: fix validity check for file name attribute
2021-07-20 16:15:39 +02:00
ocfs2
ocfs2: fix data corruption on truncate
2021-11-26 11:35:57 +01:00
omfs
…
openpromfs
…
orangefs
fs: orangefs: fix error return code of orangefs_revalidate_lookup()
2021-11-26 11:36:14 +01:00
overlayfs
ovl: fix missing negative dentry check in ovl_rename()
2021-10-13 10:10:50 +02:00
proc
proc/vmcore: fix clearing user buffer by properly using clear_user()
2021-12-01 09:27:39 +01:00
pstore
pstore: Fix typo in compression option name
2021-03-04 09:39:54 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-10-06 15:31:20 +02:00
qnx6
…
quota
quota: correct error number in free_dqentry()
2021-11-26 11:36:03 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-30 10:38:21 +01:00
reiserfs
reiserfs: check directory items on read from disk
2021-08-12 13:19:44 +02:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:30:59 +02:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-22 10:59:45 +02:00
sysfs
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2021-03-07 12:19:01 +01:00
sysv
sysv: return 'err' instead of 0 in __sysv_write_inode
2018-12-17 09:24:30 +01:00
tracefs
tracefs: Have tracefs directories not set OTH permission bits by default
2021-11-26 11:36:05 +01:00
ubifs
ubifs: report correct st_size for encrypted symlinks
2021-09-22 11:47:56 +02:00
udf
udf: Fix crash after seekdir
2021-11-26 11:36:23 +01:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 11:05:38 +02:00
xfs
xfs: Fix assert failure in xfs_setattr_size()
2021-03-07 12:18:55 +01:00
aio.c
aio: fix async fsync creds
2020-06-22 09:05:01 +02:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
elf: don't use MAP_FIXED_NOREPLACE for elf interpreter mappings
2021-10-06 15:31:24 +02:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make load_flat_shared_library() work
2019-07-03 13:14:44 +02:00
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-17 16:43:51 +01:00
binfmt_script.c
exec: load_script: Do not exec truncated interpreter path
2019-11-06 13:05:37 +01:00
block_dev.c
block: reexpand iov_iter after read/write
2021-05-22 10:59:49 +02:00
buffer.c
fs: Don't invalidate page buffers in block_write_full_page()
2020-11-05 11:08:46 +01:00
char_dev.c
chardev: Avoid potential use-after-free in 'chrdev_open()'
2020-01-14 20:06:57 +01:00
compat_binfmt_elf.c
…
compat_ioctl.c
fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP
2020-01-09 10:19:07 +01:00
compat.c
…
coredump.c
coredump: fix crash when umh is disabled
2020-05-14 07:57:21 +02:00
d_path.c
…
dax.c
dax: pass NOWAIT flag to iomap_apply
2020-03-05 16:42:12 +01:00
dcache.c
fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
2020-11-05 11:08:35 +01:00
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:22:32 +02:00
drop_caches.c
fs: avoid softlockups in s_inodes iterators
2020-01-12 12:17:20 +01:00
eventfd.c
eventfd: track eventfd_signal() recursion depth
2020-02-11 04:34:08 -08:00
eventpoll.c
ep_create_wakeup_source(): dentry name can change under you...
2020-10-07 08:00:09 +02:00
exec.c
vfs: check fd has read access in kernel_read_file_from_fd()
2021-10-27 09:53:13 +02:00
fcntl.c
fcntl: fix potential deadlock for &fasync_struct.fa_lock
2021-09-22 11:47:50 +02:00
fhandle.c
…
file_table.c
fs: add fget_many() and fput_many()
2021-12-08 08:50:13 +01:00
file.c
fs: add fget_many() and fput_many()
2021-12-08 08:50:13 +01:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-17 10:48:51 +02:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
writeback: fix obtain a reference to a freeing memcg css
2021-07-20 16:15:52 +02:00
inode.c
futex: Fix inode life-time issue
2020-03-25 08:06:14 +01:00
internal.h
acct_on(): don't mess with freeze protection
2019-05-31 06:46:05 -07:00
ioctl.c
vfs: fix FIGETBSZ ioctl on an overlayfs file
2018-11-21 09:19:14 +01:00
iomap.c
iomap: fix sub-page uptodate handling
2021-05-22 10:59:50 +02:00
Kconfig
…
Kconfig.binfmt
…
libfs.c
libfs: fix error cast of negative value in simple_attr_write()
2020-11-24 13:27:23 +01:00
locks.c
locks: print unsigned ino in /proc/locks
2020-01-09 10:19:00 +01:00
Makefile
…
mbcache.c
…
mount.h
…
mpage.c
…
namei.c
namei: only return -ECHILD from follow_dotdot_rcu()
2020-03-05 16:42:20 +01:00
namespace.c
fs: warn about impending deprecation of mandatory locks
2021-08-26 08:36:49 -04:00
no-block.c
…
nsfs.c
dcache: sort the freeing-without-RCU-delay mess for good.
2019-05-25 18:23:26 +02:00
open.c
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-18 07:14:21 +01:00
pipe.c
pipe: increase minimum default pipe size to 2 pages
2021-08-12 13:19:43 +02:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-05-02 17:26:01 +02:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
…
read_write.c
vfs: avoid problematic remapping requests into partial EOF block
2019-12-01 09:17:04 +01:00
readdir.c
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-28 13:16:50 +02:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-24 11:07:37 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:16:16 +02:00
signalfd.c
fs/signalfd.c: fix inconsistent return codes for signalfd4
2020-08-26 10:31:02 +02:00
splice.c
splice: only read in as much information as there is pipe buffer space
2019-12-17 20:35:43 +01:00
stack.c
…
stat.c
…
statfs.c
vfs: Fix EOVERFLOW testing in put_compat_statfs64
2019-10-11 18:21:39 +02:00
super.c
vfs: remove lockdep bogosity in __sb_start_write
2020-11-24 13:27:20 +01:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: prevent concurrent API initialization
2021-09-22 11:48:02 +02:00
utimes.c
…
xattr.c
xattr: break delegations in {set,remove}xattr
2020-08-11 15:32:34 +02:00