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de1892b887
android_kernel_xiaomi_sm8450/fs/cifs
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Steve French de1892b887 Don't delay freeing mids when blocked on slow socket write of request 
When processing responses, and in particular freeing mids (DeleteMidQEntry),
which is very important since it also frees the associated buffers (cifs_buf_release),
we can block a long time if (writes to) socket is slow due to low memory or networking
issues.

We can block in send (smb request) waiting for memory, and be blocked in processing
responess (which could free memory if we let it) - since they both grab the
server->srv_mutex.

In practice, in the DeleteMidQEntry case - there is no reason we need to
grab the srv_mutex so remove these around DeleteMidQEntry, and it allows
us to free memory faster.

Signed-off-by: Steve French <steve.french@primarydata.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
2017-05-09 20:37:32 -05:00
..
asn1.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
cache.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
cifs_debug.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
cifs_debug.h lib: update single-char callers of strtobool() 2016-03-17 15:09:34 -07:00
cifs_dfs_ref.c CIFS: add build_path_from_dentry_optional_prefix() 2017-03-01 22:26:10 -06:00
cifs_fs_sb.h cifs: Convert to separately allocated bdi 2017-04-20 12:09:55 -06:00
cifs_ioctl.h Enable previous version support 2016-10-13 19:48:11 -05:00
cifs_spnego.c cifs: Create dedicated keyring for spnego operations 2016-05-19 21:56:30 -05:00
cifs_spnego.h [CIFS] Rename three structures to avoid camel case 2011-05-27 04:34:02 +00:00
cifs_unicode.c CIFS: add misssing SFM mapping for doublequote 2017-05-05 08:33:44 -05:00
cifs_unicode.h CIFS: add misssing SFM mapping for doublequote 2017-05-05 08:33:44 -05:00
cifs_uniupr.h cifs: correction of unicode header files 2010-08-20 00:46:42 +00:00
cifsacl.c CIFS: Retrieve uid and gid from special sid if enabled 2016-10-14 14:22:16 -05:00
cifsacl.h cifs: fix SID binary to string conversion 2012-12-11 11:48:49 -06:00
cifsencrypt.c fs: cifs: replace CURRENT_TIME by other appropriate apis 2017-05-08 17:15:15 -07:00
cifsfs.c Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 2017-05-06 11:51:46 -07:00
cifsfs.h Introduce cifs_copy_file_range() 2017-04-07 08:04:41 -05:00
cifsglob.h CIFS: fix oplock break deadlocks 2017-05-03 10:10:10 -05:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h CIFS: Add asynchronous context to support kernel AIO 2017-05-02 14:57:34 -05:00
cifssmb.c Don't delay freeing mids when blocked on slow socket write of request 2017-05-09 20:37:32 -05:00
connect.c Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 2017-05-06 11:51:46 -07:00
dir.c CIFS: add build_path_from_dentry_optional_prefix() 2017-03-01 22:26:10 -06:00
dns_resolve.c cifs: fix composing of mount options for DFS referrals 2013-05-24 13:08:31 -05:00
dns_resolve.h DNS: Separate out CIFS DNS Resolver code 2010-08-05 17:17:51 +00:00
export.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
file.c CIFS: silence lockdep splat in cifs_relock_file() 2017-05-09 20:36:02 -05:00
fscache.c NFS client updates for Linux 3.13 2013-11-08 05:57:46 +09:00
fscache.h CIFS: FS-Cache: Uncache unread pages in cifs_readpages() before freeing them 2013-09-18 10:17:03 -05:00
inode.c fs: cifs: replace CURRENT_TIME by other appropriate apis 2017-05-08 17:15:15 -07:00
ioctl.c cifs: fix CIFS_IOC_GET_MNT_INFO oops 2017-05-03 19:32:35 -05:00
Kconfig CIFS: Encrypt SMB3 requests before sending 2017-02-01 16:46:36 -06:00
link.c cifs: use %16phN for formatting md5 sum 2016-12-15 00:21:37 -06:00
Makefile cifs: Switch to generic xattr handlers 2016-04-23 15:33:03 -04:00
misc.c CIFS: fix oplock break deadlocks 2017-05-03 10:10:10 -05:00
netmisc.c cifs: small underflow in cnvrtDosUnixTm() 2017-05-02 14:57:34 -05:00
nterr.c CIFS: Rename 7 error codes to NT_ style 2012-07-24 10:25:10 -05:00
nterr.h CIFS: Rename 7 error codes to NT_ style 2012-07-24 10:25:10 -05:00
ntlmssp.h cifs: dynamic allocation of ntlmssp blob 2016-06-23 23:45:07 -05:00
readdir.c cifs: initialize file_info_lock 2017-01-14 14:58:29 -06:00
rfc1002pdu.h
sess.c smb2: Enforce sec= mount option 2017-03-02 23:13:37 -06:00
smb1ops.c cifs: Do not send echoes before Negotiate is complete 2017-04-17 15:44:23 -05:00
smb2file.c CIFS: add use_ipc flag to SMB2_ioctl() 2017-03-01 22:26:11 -06:00
smb2glob.h CIFS: Separate SMB2 header structure 2017-02-01 16:46:34 -06:00
smb2inode.c Do not send SMB3 SET_INFO request if nothing is changing 2016-10-13 19:46:51 -05:00
smb2maperror.c CIFS: Separate SMB2 header structure 2017-02-01 16:46:34 -06:00
smb2misc.c CIFS: fix oplock break deadlocks 2017-05-03 10:10:10 -05:00
smb2ops.c cifs: fix leak in FSCTL_ENUM_SNAPS response handling 2017-05-03 09:54:12 -05:00
smb2pdu.c Don't delay freeing mids when blocked on slow socket write of request 2017-05-09 20:37:32 -05:00
smb2pdu.h CIFS: implement get_dfs_refer for SMB2+ 2017-03-02 17:05:31 -06:00
smb2proto.h Handle mismatched open calls 2017-04-07 08:04:40 -05:00
smb2status.h CIFS: Add SMB2 status codes 2012-07-24 10:25:13 -05:00
smb2transport.c cifs: don't check for failure from mempool_alloc() 2017-04-28 07:56:33 -05:00
smbencrypt.c cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack 2016-12-14 01:44:16 -06:00
smberr.h cifs: map NT_STATUS_ERROR_WRITE_PROTECTED to -EROFS 2010-08-02 12:40:40 +00:00
smbfsctl.h [SMB3] Send durable handle v2 contexts when use of persistent handles required 2015-11-03 09:26:27 -06:00
transport.c Don't delay freeing mids when blocked on slow socket write of request 2017-05-09 20:37:32 -05:00
winucase.c [CIFS] quiet sparse compile warning 2013-09-08 14:54:24 -05:00
xattr.c Add way to query creation time of file via cifs xattr 2016-10-12 12:08:31 -05:00