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f0aac6162e
linux/fs
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Namjae Jeon f0aac6162e fat: use fat_msg_ratelimit() in fat__get_entry() 
If an application tries to lookup (opendir/readdir/stat) 5000 files on a
fatfs USB device and the device is unplugged, many message occur, shown
below.  This makes the application slow.  So use the new
fat_msg_ratelimit() decrease the messaging rate.

  #> ./file_lookup_testcase ./files_directory/
  usb 2-1.4: USB disconnect, device number 4
  FAT-fs (sda1): FAT read failed (blocknr 2631)
  FAT-fs (sda1): Directory bread(block 396816) failed
  FAT-fs (sda1): Directory bread(block 396817) failed
  FAT-fs (sda1): Directory bread(block 396818) failed
  FAT-fs (sda1): Directory bread(block 396819) failed
  FAT-fs (sda1): Directory bread(block 396820) failed
  FAT-fs (sda1): Directory bread(block 396821) failed
  FAT-fs (sda1): Directory bread(block 396822) failed
  FAT-fs (sda1): Directory bread(block 396823) failed
  FAT-fs (sda1): Directory bread(block 406824) failed
  FAT-fs (sda1): Directory bread(block 406825) failed
  FAT-fs (sda1): Directory bread(block 406826) failed
  FAT-fs (sda1): Directory bread(block 406827) failed
  FAT-fs (sda1): Directory bread(block 406828) failed
  FAT-fs (sda1): Directory bread(block 406829) failed
  FAT-fs (sda1): Directory bread(block 406830) failed
  FAT-fs (sda1): Directory bread(block 406831) failed
  FAT-fs (sda1): Directory bread(block 417696) failed
  FAT-fs (sda1): Directory bread(block 417697) failed
  FAT-fs (sda1): Directory bread(block 417698) failed
  FAT-fs (sda1): Directory bread(block 417699) failed
  FAT-fs (sda1): Directory bread(block 417700) failed
  FAT-fs (sda1): Directory bread(block 417701) failed
  FAT-fs (sda1): Directory bread(block 417702) failed
  FAT-fs (sda1): Directory bread(block 417703) failed
  FAT-fs (sda1): FAT read failed (blocknr 2631)
  FAT-fs (sda1): Directory bread(block 396816) failed
  FAT-fs (sda1): Directory bread(block 396817) failed
  FAT-fs (sda1): Directory bread(block 396818) failed
  FAT-fs (sda1): Directory bread(block 396819) failed
  FAT-fs (sda1): Directory bread(block 396820) failed
  FAT-fs (sda1): Directory bread(block 396821) failed

Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Amit Sahrawat <amit.sahrawat83@gmail.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-31 17:49:28 -07:00
..
9p vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
adfs
affs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
afs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
autofs4 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
befs
bfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
btrfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
cachefiles
ceph introduce SIZE_MAX 2012-05-31 17:49:26 -07:00
cifs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
coda vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
configfs
cramfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-03-21 13:36:41 -07:00
debugfs debugfs: Add support to print u32 array in debugfs 2012-04-17 00:18:36 -04:00
devpts userns: Convert devpts to use kuid/kgid where appropriate 2012-05-15 14:59:26 -07:00
dlm dlm: NULL dereference on failure in kmem_cache_create() 2012-05-15 10:39:28 -05:00
ecryptfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
efs
exofs Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd 2012-05-28 13:10:41 -07:00
exportfs
ext2 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
ext3 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
ext4 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
fat fat: use fat_msg_ratelimit() in fat__get_entry() 2012-05-31 17:49:28 -07:00
freevxfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
fscache
fuse avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
gfs2 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
hfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hfsplus avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
hostfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hpfs HPFS: remove PRINTK() macro 2012-05-31 17:49:27 -07:00
hppfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hugetlbfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
isofs
jbd jbd: Write journal superblock with WRITE_FUA after checkpointing 2012-05-15 23:34:37 +02:00
jbd2 jbd2: use GFP_NOFS for blkdev_issue_flush 2012-04-23 21:43:41 -04:00
jffs2 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
jfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
lockd lockd: fix the endianness bug 2012-04-13 13:50:52 -04:00
logfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
minix vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ncpfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
nfs NFS client updates for Linux 3.5 2012-05-29 10:43:51 -07:00
nfs_common
nfsd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
nilfs2 nilfs2: flush disk caches in syncing 2012-05-31 17:49:27 -07:00
nls
notify fs/notify/notification.c: make subsys_initcall function static 2012-03-23 16:58:31 -07:00
ntfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ocfs2 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
omfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
openpromfs
proc mm, oom: normalize oom scores to oom_score_adj scale only for userspace 2012-05-29 16:22:24 -07:00
pstore avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
qnx4
qnx6
quota quota: Get rid of nested I_MUTEX_QUOTA locking subclass 2012-05-15 23:34:39 +02:00
ramfs
reiserfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
romfs MTD merge for 3.4 2012-03-30 17:31:56 -07:00
squashfs Add an extra mount time sanity check, plus some code cleanups and bug fixes. 2012-03-28 18:05:54 -07:00
sysfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
sysv vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ubifs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
udf avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
ufs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
xfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
aio.c vfs: make AIO use the proper rw_verify_area() area helpers 2012-05-21 16:06:20 -07:00
anon_inodes.c
attr.c userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs 2012-05-03 03:29:34 -07:00
bad_inode.c mm/fs: remove truncate_range 2012-05-29 16:22:23 -07:00
binfmt_aout.c VM: add "vm_mmap()" helper function 2012-04-20 17:29:13 -07:00
binfmt_elf_fdpic.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
binfmt_elf.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
binfmt_em86.c
binfmt_flat.c VM: add "vm_mmap()" helper function 2012-04-20 17:29:13 -07:00
binfmt_misc.c vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
binfmt_script.c
binfmt_som.c VM: add "vm_mmap()" helper function 2012-04-20 17:29:13 -07:00
bio-integrity.c
bio.c bio allocation failure due to bio_get_nr_vecs() 2012-05-11 16:45:12 +02:00
block_dev.c avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
buffer.c block: don't mark buffers beyond end of disk as mapped 2012-05-11 16:42:14 +02:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
compat.c userns: Convert stat to return values mapped from kuids and kgids 2012-05-15 14:08:35 -07:00
dcache.c mm: add a low limit to alloc_large_system_hash 2012-05-24 00:28:21 -04:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c epoll: Fix user space breakage related to EPOLLWAKEUP 2012-05-22 20:57:06 +02:00
exec.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
fcntl.c userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs 2012-05-03 03:29:34 -07:00
fhandle.c
fifo.c
file_table.c
file.c Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
filesystems.c
fs_struct.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
fs-writeback.c writeback: Avoid iput() from flusher thread 2012-05-06 13:43:41 +08:00
generic_acl.c
inode.c avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
internal.h
ioctl.c
ioprio.c userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs 2012-05-03 03:29:34 -07:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-03-21 13:36:41 -07:00
Kconfig.binfmt C6X: add support to build with BINFMT_ELF_FDPIC 2012-05-15 09:17:34 -04:00
libfs.c vfs: make it possible to access the dentry hash/len as one 64-bit entry 2012-05-10 19:54:35 -07:00
locks.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
Makefile fs: initial qnx6fs addition 2012-03-20 21:29:38 -04:00
mbcache.c
mount.h
mpage.c
namei.c word-at-a-time: make the interfaces truly generic 2012-05-26 11:33:40 -07:00
namespace.c
no-block.c
open.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
pipe.c pipe: return -ENOIOCTLCMD instead of -EINVAL on unknown ioctl command 2012-05-31 17:49:27 -07:00
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c
read_write.h
readdir.c
select.c Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
seq_file.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
signalfd.c
splice.c tcp: tcp_sendpages() should call tcp_push() once 2012-04-05 19:04:27 -04:00
stack.c
stat.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
statfs.c
super.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
sync.c
timerfd.c
utimes.c
xattr_acl.c
xattr.c fs/xattr.c:setxattr(): improve handling of allocation failures 2012-04-05 15:25:50 -07:00