diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r-- | fs/cifs/cifsfs.c | 76 |
1 files changed, 42 insertions, 34 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index dd03e680f8f8..5036dae09cd7 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c | |||
@@ -100,7 +100,7 @@ cifs_read_super(struct super_block *sb, void *data, | |||
100 | sb->s_flags |= MS_NODIRATIME | MS_NOATIME; | 100 | sb->s_flags |= MS_NODIRATIME | MS_NOATIME; |
101 | sb->s_fs_info = kzalloc(sizeof(struct cifs_sb_info),GFP_KERNEL); | 101 | sb->s_fs_info = kzalloc(sizeof(struct cifs_sb_info),GFP_KERNEL); |
102 | cifs_sb = CIFS_SB(sb); | 102 | cifs_sb = CIFS_SB(sb); |
103 | if(cifs_sb == NULL) | 103 | if (cifs_sb == NULL) |
104 | return -ENOMEM; | 104 | return -ENOMEM; |
105 | 105 | ||
106 | rc = cifs_mount(sb, cifs_sb, data, devname); | 106 | rc = cifs_mount(sb, cifs_sb, data, devname); |
@@ -115,10 +115,10 @@ cifs_read_super(struct super_block *sb, void *data, | |||
115 | sb->s_magic = CIFS_MAGIC_NUMBER; | 115 | sb->s_magic = CIFS_MAGIC_NUMBER; |
116 | sb->s_op = &cifs_super_ops; | 116 | sb->s_op = &cifs_super_ops; |
117 | #ifdef CONFIG_CIFS_EXPERIMENTAL | 117 | #ifdef CONFIG_CIFS_EXPERIMENTAL |
118 | if(experimEnabled != 0) | 118 | if (experimEnabled != 0) |
119 | sb->s_export_op = &cifs_export_ops; | 119 | sb->s_export_op = &cifs_export_ops; |
120 | #endif /* EXPERIMENTAL */ | 120 | #endif /* EXPERIMENTAL */ |
121 | /* if(cifs_sb->tcon->ses->server->maxBuf > MAX_CIFS_HDR_SIZE + 512) | 121 | /* if (cifs_sb->tcon->ses->server->maxBuf > MAX_CIFS_HDR_SIZE + 512) |
122 | sb->s_blocksize = cifs_sb->tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE; */ | 122 | sb->s_blocksize = cifs_sb->tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE; */ |
123 | #ifdef CONFIG_CIFS_QUOTA | 123 | #ifdef CONFIG_CIFS_QUOTA |
124 | sb->s_qcop = &cifs_quotactl_ops; | 124 | sb->s_qcop = &cifs_quotactl_ops; |
@@ -147,8 +147,8 @@ out_no_root: | |||
147 | iput(inode); | 147 | iput(inode); |
148 | 148 | ||
149 | out_mount_failed: | 149 | out_mount_failed: |
150 | if(cifs_sb) { | 150 | if (cifs_sb) { |
151 | if(cifs_sb->local_nls) | 151 | if (cifs_sb->local_nls) |
152 | unload_nls(cifs_sb->local_nls); | 152 | unload_nls(cifs_sb->local_nls); |
153 | kfree(cifs_sb); | 153 | kfree(cifs_sb); |
154 | } | 154 | } |
@@ -163,7 +163,7 @@ cifs_put_super(struct super_block *sb) | |||
163 | 163 | ||
164 | cFYI(1, ("In cifs_put_super")); | 164 | cFYI(1, ("In cifs_put_super")); |
165 | cifs_sb = CIFS_SB(sb); | 165 | cifs_sb = CIFS_SB(sb); |
166 | if(cifs_sb == NULL) { | 166 | if (cifs_sb == NULL) { |
167 | cFYI(1,("Empty cifs superblock info passed to unmount")); | 167 | cFYI(1,("Empty cifs superblock info passed to unmount")); |
168 | return; | 168 | return; |
169 | } | 169 | } |
@@ -208,14 +208,14 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) | |||
208 | 208 | ||
209 | /* Only need to call the old QFSInfo if failed | 209 | /* Only need to call the old QFSInfo if failed |
210 | on newer one */ | 210 | on newer one */ |
211 | if(rc) | 211 | if (rc) |
212 | if(pTcon->ses->capabilities & CAP_NT_SMBS) | 212 | if (pTcon->ses->capabilities & CAP_NT_SMBS) |
213 | rc = CIFSSMBQFSInfo(xid, pTcon, buf); /* not supported by OS2 */ | 213 | rc = CIFSSMBQFSInfo(xid, pTcon, buf); /* not supported by OS2 */ |
214 | 214 | ||
215 | /* Some old Windows servers also do not support level 103, retry with | 215 | /* Some old Windows servers also do not support level 103, retry with |
216 | older level one if old server failed the previous call or we | 216 | older level one if old server failed the previous call or we |
217 | bypassed it because we detected that this was an older LANMAN sess */ | 217 | bypassed it because we detected that this was an older LANMAN sess */ |
218 | if(rc) | 218 | if (rc) |
219 | rc = SMBOldQFSInfo(xid, pTcon, buf); | 219 | rc = SMBOldQFSInfo(xid, pTcon, buf); |
220 | /* | 220 | /* |
221 | int f_type; | 221 | int f_type; |
@@ -301,11 +301,19 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) | |||
301 | if (cifs_sb->tcon->ses->userName) | 301 | if (cifs_sb->tcon->ses->userName) |
302 | seq_printf(s, ",username=%s", | 302 | seq_printf(s, ",username=%s", |
303 | cifs_sb->tcon->ses->userName); | 303 | cifs_sb->tcon->ses->userName); |
304 | if(cifs_sb->tcon->ses->domainName) | 304 | if (cifs_sb->tcon->ses->domainName) |
305 | seq_printf(s, ",domain=%s", | 305 | seq_printf(s, ",domain=%s", |
306 | cifs_sb->tcon->ses->domainName); | 306 | cifs_sb->tcon->ses->domainName); |
307 | } | 307 | } |
308 | } | 308 | } |
309 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) | ||
310 | seq_printf(s, ",posixpaths"); | ||
311 | if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) || | ||
312 | !(cifs_sb->tcon->ses->capabilities & CAP_UNIX)) | ||
313 | seq_printf(s, ",uid=%d", cifs_sb->mnt_uid); | ||
314 | if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) || | ||
315 | !(cifs_sb->tcon->ses->capabilities & CAP_UNIX)) | ||
316 | seq_printf(s, ",gid=%d", cifs_sb->mnt_gid); | ||
309 | seq_printf(s, ",rsize=%d",cifs_sb->rsize); | 317 | seq_printf(s, ",rsize=%d",cifs_sb->rsize); |
310 | seq_printf(s, ",wsize=%d",cifs_sb->wsize); | 318 | seq_printf(s, ",wsize=%d",cifs_sb->wsize); |
311 | } | 319 | } |
@@ -321,14 +329,14 @@ int cifs_xquota_set(struct super_block * sb, int quota_type, qid_t qid, | |||
321 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 329 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
322 | struct cifsTconInfo *pTcon; | 330 | struct cifsTconInfo *pTcon; |
323 | 331 | ||
324 | if(cifs_sb) | 332 | if (cifs_sb) |
325 | pTcon = cifs_sb->tcon; | 333 | pTcon = cifs_sb->tcon; |
326 | else | 334 | else |
327 | return -EIO; | 335 | return -EIO; |
328 | 336 | ||
329 | 337 | ||
330 | xid = GetXid(); | 338 | xid = GetXid(); |
331 | if(pTcon) { | 339 | if (pTcon) { |
332 | cFYI(1,("set type: 0x%x id: %d",quota_type,qid)); | 340 | cFYI(1,("set type: 0x%x id: %d",quota_type,qid)); |
333 | } else { | 341 | } else { |
334 | return -EIO; | 342 | return -EIO; |
@@ -346,13 +354,13 @@ int cifs_xquota_get(struct super_block * sb, int quota_type, qid_t qid, | |||
346 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 354 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
347 | struct cifsTconInfo *pTcon; | 355 | struct cifsTconInfo *pTcon; |
348 | 356 | ||
349 | if(cifs_sb) | 357 | if (cifs_sb) |
350 | pTcon = cifs_sb->tcon; | 358 | pTcon = cifs_sb->tcon; |
351 | else | 359 | else |
352 | return -EIO; | 360 | return -EIO; |
353 | 361 | ||
354 | xid = GetXid(); | 362 | xid = GetXid(); |
355 | if(pTcon) { | 363 | if (pTcon) { |
356 | cFYI(1,("set type: 0x%x id: %d",quota_type,qid)); | 364 | cFYI(1,("set type: 0x%x id: %d",quota_type,qid)); |
357 | } else { | 365 | } else { |
358 | rc = -EIO; | 366 | rc = -EIO; |
@@ -369,13 +377,13 @@ int cifs_xstate_set(struct super_block * sb, unsigned int flags, int operation) | |||
369 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 377 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
370 | struct cifsTconInfo *pTcon; | 378 | struct cifsTconInfo *pTcon; |
371 | 379 | ||
372 | if(cifs_sb) | 380 | if (cifs_sb) |
373 | pTcon = cifs_sb->tcon; | 381 | pTcon = cifs_sb->tcon; |
374 | else | 382 | else |
375 | return -EIO; | 383 | return -EIO; |
376 | 384 | ||
377 | xid = GetXid(); | 385 | xid = GetXid(); |
378 | if(pTcon) { | 386 | if (pTcon) { |
379 | cFYI(1,("flags: 0x%x operation: 0x%x",flags,operation)); | 387 | cFYI(1,("flags: 0x%x operation: 0x%x",flags,operation)); |
380 | } else { | 388 | } else { |
381 | rc = -EIO; | 389 | rc = -EIO; |
@@ -392,13 +400,13 @@ int cifs_xstate_get(struct super_block * sb, struct fs_quota_stat *qstats) | |||
392 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 400 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
393 | struct cifsTconInfo *pTcon; | 401 | struct cifsTconInfo *pTcon; |
394 | 402 | ||
395 | if(cifs_sb) { | 403 | if (cifs_sb) { |
396 | pTcon = cifs_sb->tcon; | 404 | pTcon = cifs_sb->tcon; |
397 | } else { | 405 | } else { |
398 | return -EIO; | 406 | return -EIO; |
399 | } | 407 | } |
400 | xid = GetXid(); | 408 | xid = GetXid(); |
401 | if(pTcon) { | 409 | if (pTcon) { |
402 | cFYI(1,("pqstats %p",qstats)); | 410 | cFYI(1,("pqstats %p",qstats)); |
403 | } else { | 411 | } else { |
404 | rc = -EIO; | 412 | rc = -EIO; |
@@ -424,11 +432,11 @@ static void cifs_umount_begin(struct vfsmount * vfsmnt, int flags) | |||
424 | if (!(flags & MNT_FORCE)) | 432 | if (!(flags & MNT_FORCE)) |
425 | return; | 433 | return; |
426 | cifs_sb = CIFS_SB(vfsmnt->mnt_sb); | 434 | cifs_sb = CIFS_SB(vfsmnt->mnt_sb); |
427 | if(cifs_sb == NULL) | 435 | if (cifs_sb == NULL) |
428 | return; | 436 | return; |
429 | 437 | ||
430 | tcon = cifs_sb->tcon; | 438 | tcon = cifs_sb->tcon; |
431 | if(tcon == NULL) | 439 | if (tcon == NULL) |
432 | return; | 440 | return; |
433 | down(&tcon->tconSem); | 441 | down(&tcon->tconSem); |
434 | if (atomic_read(&tcon->useCount) == 1) | 442 | if (atomic_read(&tcon->useCount) == 1) |
@@ -437,7 +445,7 @@ static void cifs_umount_begin(struct vfsmount * vfsmnt, int flags) | |||
437 | 445 | ||
438 | /* cancel_brl_requests(tcon); */ /* BB mark all brl mids as exiting */ | 446 | /* cancel_brl_requests(tcon); */ /* BB mark all brl mids as exiting */ |
439 | /* cancel_notify_requests(tcon); */ | 447 | /* cancel_notify_requests(tcon); */ |
440 | if(tcon->ses && tcon->ses->server) | 448 | if (tcon->ses && tcon->ses->server) |
441 | { | 449 | { |
442 | cFYI(1,("wake up tasks now - umount begin not complete")); | 450 | cFYI(1,("wake up tasks now - umount begin not complete")); |
443 | wake_up_all(&tcon->ses->server->request_q); | 451 | wake_up_all(&tcon->ses->server->request_q); |
@@ -723,7 +731,7 @@ cifs_destroy_inodecache(void) | |||
723 | static int | 731 | static int |
724 | cifs_init_request_bufs(void) | 732 | cifs_init_request_bufs(void) |
725 | { | 733 | { |
726 | if(CIFSMaxBufSize < 8192) { | 734 | if (CIFSMaxBufSize < 8192) { |
727 | /* Buffer size can not be smaller than 2 * PATH_MAX since maximum | 735 | /* Buffer size can not be smaller than 2 * PATH_MAX since maximum |
728 | Unicode path name has to fit in any SMB/CIFS path based frames */ | 736 | Unicode path name has to fit in any SMB/CIFS path based frames */ |
729 | CIFSMaxBufSize = 8192; | 737 | CIFSMaxBufSize = 8192; |
@@ -740,7 +748,7 @@ cifs_init_request_bufs(void) | |||
740 | if (cifs_req_cachep == NULL) | 748 | if (cifs_req_cachep == NULL) |
741 | return -ENOMEM; | 749 | return -ENOMEM; |
742 | 750 | ||
743 | if(cifs_min_rcv < 1) | 751 | if (cifs_min_rcv < 1) |
744 | cifs_min_rcv = 1; | 752 | cifs_min_rcv = 1; |
745 | else if (cifs_min_rcv > 64) { | 753 | else if (cifs_min_rcv > 64) { |
746 | cifs_min_rcv = 64; | 754 | cifs_min_rcv = 64; |
@@ -750,7 +758,7 @@ cifs_init_request_bufs(void) | |||
750 | cifs_req_poolp = mempool_create_slab_pool(cifs_min_rcv, | 758 | cifs_req_poolp = mempool_create_slab_pool(cifs_min_rcv, |
751 | cifs_req_cachep); | 759 | cifs_req_cachep); |
752 | 760 | ||
753 | if(cifs_req_poolp == NULL) { | 761 | if (cifs_req_poolp == NULL) { |
754 | kmem_cache_destroy(cifs_req_cachep); | 762 | kmem_cache_destroy(cifs_req_cachep); |
755 | return -ENOMEM; | 763 | return -ENOMEM; |
756 | } | 764 | } |
@@ -771,7 +779,7 @@ cifs_init_request_bufs(void) | |||
771 | return -ENOMEM; | 779 | return -ENOMEM; |
772 | } | 780 | } |
773 | 781 | ||
774 | if(cifs_min_small < 2) | 782 | if (cifs_min_small < 2) |
775 | cifs_min_small = 2; | 783 | cifs_min_small = 2; |
776 | else if (cifs_min_small > 256) { | 784 | else if (cifs_min_small > 256) { |
777 | cifs_min_small = 256; | 785 | cifs_min_small = 256; |
@@ -781,7 +789,7 @@ cifs_init_request_bufs(void) | |||
781 | cifs_sm_req_poolp = mempool_create_slab_pool(cifs_min_small, | 789 | cifs_sm_req_poolp = mempool_create_slab_pool(cifs_min_small, |
782 | cifs_sm_req_cachep); | 790 | cifs_sm_req_cachep); |
783 | 791 | ||
784 | if(cifs_sm_req_poolp == NULL) { | 792 | if (cifs_sm_req_poolp == NULL) { |
785 | mempool_destroy(cifs_req_poolp); | 793 | mempool_destroy(cifs_req_poolp); |
786 | kmem_cache_destroy(cifs_req_cachep); | 794 | kmem_cache_destroy(cifs_req_cachep); |
787 | kmem_cache_destroy(cifs_sm_req_cachep); | 795 | kmem_cache_destroy(cifs_sm_req_cachep); |
@@ -811,7 +819,7 @@ cifs_init_mids(void) | |||
811 | 819 | ||
812 | /* 3 is a reasonable minimum number of simultaneous operations */ | 820 | /* 3 is a reasonable minimum number of simultaneous operations */ |
813 | cifs_mid_poolp = mempool_create_slab_pool(3, cifs_mid_cachep); | 821 | cifs_mid_poolp = mempool_create_slab_pool(3, cifs_mid_cachep); |
814 | if(cifs_mid_poolp == NULL) { | 822 | if (cifs_mid_poolp == NULL) { |
815 | kmem_cache_destroy(cifs_mid_cachep); | 823 | kmem_cache_destroy(cifs_mid_cachep); |
816 | return -ENOMEM; | 824 | return -ENOMEM; |
817 | } | 825 | } |
@@ -849,14 +857,14 @@ static int cifs_oplock_thread(void * dummyarg) | |||
849 | continue; | 857 | continue; |
850 | 858 | ||
851 | spin_lock(&GlobalMid_Lock); | 859 | spin_lock(&GlobalMid_Lock); |
852 | if(list_empty(&GlobalOplock_Q)) { | 860 | if (list_empty(&GlobalOplock_Q)) { |
853 | spin_unlock(&GlobalMid_Lock); | 861 | spin_unlock(&GlobalMid_Lock); |
854 | set_current_state(TASK_INTERRUPTIBLE); | 862 | set_current_state(TASK_INTERRUPTIBLE); |
855 | schedule_timeout(39*HZ); | 863 | schedule_timeout(39*HZ); |
856 | } else { | 864 | } else { |
857 | oplock_item = list_entry(GlobalOplock_Q.next, | 865 | oplock_item = list_entry(GlobalOplock_Q.next, |
858 | struct oplock_q_entry, qhead); | 866 | struct oplock_q_entry, qhead); |
859 | if(oplock_item) { | 867 | if (oplock_item) { |
860 | cFYI(1,("found oplock item to write out")); | 868 | cFYI(1,("found oplock item to write out")); |
861 | pTcon = oplock_item->tcon; | 869 | pTcon = oplock_item->tcon; |
862 | inode = oplock_item->pinode; | 870 | inode = oplock_item->pinode; |
@@ -870,7 +878,7 @@ static int cifs_oplock_thread(void * dummyarg) | |||
870 | /* mutex_lock(&inode->i_mutex);*/ | 878 | /* mutex_lock(&inode->i_mutex);*/ |
871 | if (S_ISREG(inode->i_mode)) { | 879 | if (S_ISREG(inode->i_mode)) { |
872 | rc = filemap_fdatawrite(inode->i_mapping); | 880 | rc = filemap_fdatawrite(inode->i_mapping); |
873 | if(CIFS_I(inode)->clientCanCacheRead == 0) { | 881 | if (CIFS_I(inode)->clientCanCacheRead == 0) { |
874 | filemap_fdatawait(inode->i_mapping); | 882 | filemap_fdatawait(inode->i_mapping); |
875 | invalidate_remote_inode(inode); | 883 | invalidate_remote_inode(inode); |
876 | } | 884 | } |
@@ -887,7 +895,7 @@ static int cifs_oplock_thread(void * dummyarg) | |||
887 | not bother sending an oplock release if session | 895 | not bother sending an oplock release if session |
888 | to server still is disconnected since oplock | 896 | to server still is disconnected since oplock |
889 | already released by the server in that case */ | 897 | already released by the server in that case */ |
890 | if(pTcon->tidStatus != CifsNeedReconnect) { | 898 | if (pTcon->tidStatus != CifsNeedReconnect) { |
891 | rc = CIFSSMBLock(0, pTcon, netfid, | 899 | rc = CIFSSMBLock(0, pTcon, netfid, |
892 | 0 /* len */ , 0 /* offset */, 0, | 900 | 0 /* len */ , 0 /* offset */, 0, |
893 | 0, LOCKING_ANDX_OPLOCK_RELEASE, | 901 | 0, LOCKING_ANDX_OPLOCK_RELEASE, |
@@ -921,7 +929,7 @@ static int cifs_dnotify_thread(void * dummyarg) | |||
921 | list_for_each(tmp, &GlobalSMBSessionList) { | 929 | list_for_each(tmp, &GlobalSMBSessionList) { |
922 | ses = list_entry(tmp, struct cifsSesInfo, | 930 | ses = list_entry(tmp, struct cifsSesInfo, |
923 | cifsSessionList); | 931 | cifsSessionList); |
924 | if(ses && ses->server && | 932 | if (ses && ses->server && |
925 | atomic_read(&ses->server->inFlight)) | 933 | atomic_read(&ses->server->inFlight)) |
926 | wake_up_all(&ses->server->response_q); | 934 | wake_up_all(&ses->server->response_q); |
927 | } | 935 | } |
@@ -970,10 +978,10 @@ init_cifs(void) | |||
970 | rwlock_init(&GlobalSMBSeslock); | 978 | rwlock_init(&GlobalSMBSeslock); |
971 | spin_lock_init(&GlobalMid_Lock); | 979 | spin_lock_init(&GlobalMid_Lock); |
972 | 980 | ||
973 | if(cifs_max_pending < 2) { | 981 | if (cifs_max_pending < 2) { |
974 | cifs_max_pending = 2; | 982 | cifs_max_pending = 2; |
975 | cFYI(1,("cifs_max_pending set to min of 2")); | 983 | cFYI(1,("cifs_max_pending set to min of 2")); |
976 | } else if(cifs_max_pending > 256) { | 984 | } else if (cifs_max_pending > 256) { |
977 | cifs_max_pending = 256; | 985 | cifs_max_pending = 256; |
978 | cFYI(1,("cifs_max_pending set to max of 256")); | 986 | cFYI(1,("cifs_max_pending set to max of 256")); |
979 | } | 987 | } |