diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-22 20:05:31 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-22 20:05:31 -0400 |
commit | 0d995b2b446c2304c04058bedba49460823adbf7 (patch) | |
tree | cc6c66b7344f6a4b77aab0d533046c439cad0bf7 /fs/cifs | |
parent | 130eb4653550ff9c73e09858464446cc9d59ff7b (diff) | |
parent | 04b6e6ec1a9340ab77637cae9b51b984d9d706d8 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Fix mem leak on dfs referral
[CIFS] file create with acl support enabled is slow
[CIFS] Fix mtime on cp -p when file data cached but written out too late
[CIFS] Fix build problem
[CIFS] cifs: replace remaining __FUNCTION__ occurrences
[CIFS] DFS patch that connects inode with dfs handling ops
Diffstat (limited to 'fs/cifs')
-rw-r--r-- | fs/cifs/cifs_dfs_ref.c | 18 | ||||
-rw-r--r-- | fs/cifs/cifsacl.c | 25 | ||||
-rw-r--r-- | fs/cifs/cifsproto.h | 9 | ||||
-rw-r--r-- | fs/cifs/dir.c | 5 | ||||
-rw-r--r-- | fs/cifs/dns_resolve.c | 8 | ||||
-rw-r--r-- | fs/cifs/file.c | 4 | ||||
-rw-r--r-- | fs/cifs/inode.c | 161 | ||||
-rw-r--r-- | fs/cifs/link.c | 2 |
8 files changed, 130 insertions, 102 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 7f8838253410..a1a95b027136 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c | |||
@@ -74,7 +74,7 @@ static char *cifs_get_share_name(const char *node_name) | |||
74 | pSep = memchr(UNC+2, '\\', len-2); | 74 | pSep = memchr(UNC+2, '\\', len-2); |
75 | if (!pSep) { | 75 | if (!pSep) { |
76 | cERROR(1, ("%s: no server name end in node name: %s", | 76 | cERROR(1, ("%s: no server name end in node name: %s", |
77 | __FUNCTION__, node_name)); | 77 | __func__, node_name)); |
78 | kfree(UNC); | 78 | kfree(UNC); |
79 | return NULL; | 79 | return NULL; |
80 | } | 80 | } |
@@ -84,7 +84,7 @@ static char *cifs_get_share_name(const char *node_name) | |||
84 | pSep = memchr(UNC+(pSep-UNC), '\\', len-(pSep-UNC)); | 84 | pSep = memchr(UNC+(pSep-UNC), '\\', len-(pSep-UNC)); |
85 | if (!pSep) { | 85 | if (!pSep) { |
86 | cERROR(1, ("%s:2 cant find share name in node name: %s", | 86 | cERROR(1, ("%s:2 cant find share name in node name: %s", |
87 | __FUNCTION__, node_name)); | 87 | __func__, node_name)); |
88 | kfree(UNC); | 88 | kfree(UNC); |
89 | return NULL; | 89 | return NULL; |
90 | } | 90 | } |
@@ -127,7 +127,7 @@ static char *compose_mount_options(const char *sb_mountdata, | |||
127 | rc = dns_resolve_server_name_to_ip(*devname, &srvIP); | 127 | rc = dns_resolve_server_name_to_ip(*devname, &srvIP); |
128 | if (rc != 0) { | 128 | if (rc != 0) { |
129 | cERROR(1, ("%s: Failed to resolve server part of %s to IP", | 129 | cERROR(1, ("%s: Failed to resolve server part of %s to IP", |
130 | __FUNCTION__, *devname)); | 130 | __func__, *devname)); |
131 | mountdata = ERR_PTR(rc); | 131 | mountdata = ERR_PTR(rc); |
132 | goto compose_mount_options_out; | 132 | goto compose_mount_options_out; |
133 | } | 133 | } |
@@ -181,8 +181,8 @@ static char *compose_mount_options(const char *sb_mountdata, | |||
181 | } | 181 | } |
182 | } | 182 | } |
183 | 183 | ||
184 | /*cFYI(1,("%s: parent mountdata: %s", __FUNCTION__,sb_mountdata));*/ | 184 | /*cFYI(1,("%s: parent mountdata: %s", __func__,sb_mountdata));*/ |
185 | /*cFYI(1, ("%s: submount mountdata: %s", __FUNCTION__, mountdata ));*/ | 185 | /*cFYI(1, ("%s: submount mountdata: %s", __func__, mountdata ));*/ |
186 | 186 | ||
187 | compose_mount_options_out: | 187 | compose_mount_options_out: |
188 | kfree(srvIP); | 188 | kfree(srvIP); |
@@ -302,7 +302,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) | |||
302 | int rc = 0; | 302 | int rc = 0; |
303 | struct vfsmount *mnt = ERR_PTR(-ENOENT); | 303 | struct vfsmount *mnt = ERR_PTR(-ENOENT); |
304 | 304 | ||
305 | cFYI(1, ("in %s", __FUNCTION__)); | 305 | cFYI(1, ("in %s", __func__)); |
306 | BUG_ON(IS_ROOT(dentry)); | 306 | BUG_ON(IS_ROOT(dentry)); |
307 | 307 | ||
308 | xid = GetXid(); | 308 | xid = GetXid(); |
@@ -336,7 +336,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) | |||
336 | len = strlen(referrals[i].node_name); | 336 | len = strlen(referrals[i].node_name); |
337 | if (len < 2) { | 337 | if (len < 2) { |
338 | cERROR(1, ("%s: Net Address path too short: %s", | 338 | cERROR(1, ("%s: Net Address path too short: %s", |
339 | __FUNCTION__, referrals[i].node_name)); | 339 | __func__, referrals[i].node_name)); |
340 | rc = -EINVAL; | 340 | rc = -EINVAL; |
341 | goto out_err; | 341 | goto out_err; |
342 | } | 342 | } |
@@ -344,7 +344,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) | |||
344 | nd->path.dentry, | 344 | nd->path.dentry, |
345 | referrals[i].node_name); | 345 | referrals[i].node_name); |
346 | cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p", | 346 | cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p", |
347 | __FUNCTION__, | 347 | __func__, |
348 | referrals[i].node_name, mnt)); | 348 | referrals[i].node_name, mnt)); |
349 | 349 | ||
350 | /* complete mount procedure if we accured submount */ | 350 | /* complete mount procedure if we accured submount */ |
@@ -365,7 +365,7 @@ out: | |||
365 | FreeXid(xid); | 365 | FreeXid(xid); |
366 | free_dfs_info_array(referrals, num_referrals); | 366 | free_dfs_info_array(referrals, num_referrals); |
367 | kfree(full_path); | 367 | kfree(full_path); |
368 | cFYI(1, ("leaving %s" , __FUNCTION__)); | 368 | cFYI(1, ("leaving %s" , __func__)); |
369 | return ERR_PTR(rc); | 369 | return ERR_PTR(rc); |
370 | out_err: | 370 | out_err: |
371 | path_put(&nd->path); | 371 | path_put(&nd->path); |
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index f93932c21772..1f5a4289b848 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * fs/cifs/cifsacl.c | 2 | * fs/cifs/cifsacl.c |
3 | * | 3 | * |
4 | * Copyright (C) International Business Machines Corp., 2007 | 4 | * Copyright (C) International Business Machines Corp., 2007,2008 |
5 | * Author(s): Steve French (sfrench@us.ibm.com) | 5 | * Author(s): Steve French (sfrench@us.ibm.com) |
6 | * | 6 | * |
7 | * Contains the routines for mapping CIFS/NTFS ACLs | 7 | * Contains the routines for mapping CIFS/NTFS ACLs |
@@ -556,9 +556,9 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd, | |||
556 | 556 | ||
557 | /* Retrieve an ACL from the server */ | 557 | /* Retrieve an ACL from the server */ |
558 | static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode, | 558 | static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode, |
559 | const char *path) | 559 | const char *path, const __u16 *pfid) |
560 | { | 560 | { |
561 | struct cifsFileInfo *open_file; | 561 | struct cifsFileInfo *open_file = NULL; |
562 | int unlock_file = FALSE; | 562 | int unlock_file = FALSE; |
563 | int xid; | 563 | int xid; |
564 | int rc = -EIO; | 564 | int rc = -EIO; |
@@ -573,7 +573,11 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode, | |||
573 | return NULL; | 573 | return NULL; |
574 | 574 | ||
575 | xid = GetXid(); | 575 | xid = GetXid(); |
576 | open_file = find_readable_file(CIFS_I(inode)); | 576 | if (pfid == NULL) |
577 | open_file = find_readable_file(CIFS_I(inode)); | ||
578 | else | ||
579 | fid = *pfid; | ||
580 | |||
577 | sb = inode->i_sb; | 581 | sb = inode->i_sb; |
578 | if (sb == NULL) { | 582 | if (sb == NULL) { |
579 | FreeXid(xid); | 583 | FreeXid(xid); |
@@ -584,7 +588,7 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode, | |||
584 | if (open_file) { | 588 | if (open_file) { |
585 | unlock_file = TRUE; | 589 | unlock_file = TRUE; |
586 | fid = open_file->netfid; | 590 | fid = open_file->netfid; |
587 | } else { | 591 | } else if (pfid == NULL) { |
588 | int oplock = FALSE; | 592 | int oplock = FALSE; |
589 | /* open file */ | 593 | /* open file */ |
590 | rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, | 594 | rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, |
@@ -600,10 +604,11 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode, | |||
600 | 604 | ||
601 | rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen); | 605 | rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen); |
602 | cFYI(1, ("GetCIFSACL rc = %d ACL len %d", rc, *pacllen)); | 606 | cFYI(1, ("GetCIFSACL rc = %d ACL len %d", rc, *pacllen)); |
603 | if (unlock_file == TRUE) | 607 | if (unlock_file == TRUE) /* find_readable_file increments ref count */ |
604 | atomic_dec(&open_file->wrtPending); | 608 | atomic_dec(&open_file->wrtPending); |
605 | else | 609 | else if (pfid == NULL) /* if opened above we have to close the handle */ |
606 | CIFSSMBClose(xid, cifs_sb->tcon, fid); | 610 | CIFSSMBClose(xid, cifs_sb->tcon, fid); |
611 | /* else handle was passed in by caller */ | ||
607 | 612 | ||
608 | FreeXid(xid); | 613 | FreeXid(xid); |
609 | return pntsd; | 614 | return pntsd; |
@@ -664,14 +669,14 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, | |||
664 | } | 669 | } |
665 | 670 | ||
666 | /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */ | 671 | /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */ |
667 | void acl_to_uid_mode(struct inode *inode, const char *path) | 672 | void acl_to_uid_mode(struct inode *inode, const char *path, const __u16 *pfid) |
668 | { | 673 | { |
669 | struct cifs_ntsd *pntsd = NULL; | 674 | struct cifs_ntsd *pntsd = NULL; |
670 | u32 acllen = 0; | 675 | u32 acllen = 0; |
671 | int rc = 0; | 676 | int rc = 0; |
672 | 677 | ||
673 | cFYI(DBG2, ("converting ACL to mode for %s", path)); | 678 | cFYI(DBG2, ("converting ACL to mode for %s", path)); |
674 | pntsd = get_cifs_acl(&acllen, inode, path); | 679 | pntsd = get_cifs_acl(&acllen, inode, path, pfid); |
675 | 680 | ||
676 | /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */ | 681 | /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */ |
677 | if (pntsd) | 682 | if (pntsd) |
@@ -694,7 +699,7 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode) | |||
694 | cFYI(DBG2, ("set ACL from mode for %s", path)); | 699 | cFYI(DBG2, ("set ACL from mode for %s", path)); |
695 | 700 | ||
696 | /* Get the security descriptor */ | 701 | /* Get the security descriptor */ |
697 | pntsd = get_cifs_acl(&acllen, inode, path); | 702 | pntsd = get_cifs_acl(&acllen, inode, path, NULL); |
698 | 703 | ||
699 | /* Add three ACEs for owner, group, everyone getting rid of | 704 | /* Add three ACEs for owner, group, everyone getting rid of |
700 | other ACEs as chmod disables ACEs and set the security descriptor */ | 705 | other ACEs as chmod disables ACEs and set the security descriptor */ |
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 0af63e6b426b..7e5e0e78cd72 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h | |||
@@ -39,8 +39,8 @@ extern int smb_send(struct socket *, struct smb_hdr *, | |||
39 | unsigned int /* length */ , struct sockaddr *); | 39 | unsigned int /* length */ , struct sockaddr *); |
40 | extern unsigned int _GetXid(void); | 40 | extern unsigned int _GetXid(void); |
41 | extern void _FreeXid(unsigned int); | 41 | extern void _FreeXid(unsigned int); |
42 | #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid)); | 42 | #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current->fsuid)); |
43 | #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));} | 43 | #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));} |
44 | extern char *build_path_from_dentry(struct dentry *); | 44 | extern char *build_path_from_dentry(struct dentry *); |
45 | extern char *build_wildcard_path_from_dentry(struct dentry *direntry); | 45 | extern char *build_wildcard_path_from_dentry(struct dentry *direntry); |
46 | /* extern void renew_parental_timestamps(struct dentry *direntry);*/ | 46 | /* extern void renew_parental_timestamps(struct dentry *direntry);*/ |
@@ -92,11 +92,12 @@ extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time); | |||
92 | extern int cifs_get_inode_info(struct inode **pinode, | 92 | extern int cifs_get_inode_info(struct inode **pinode, |
93 | const unsigned char *search_path, | 93 | const unsigned char *search_path, |
94 | FILE_ALL_INFO * pfile_info, | 94 | FILE_ALL_INFO * pfile_info, |
95 | struct super_block *sb, int xid); | 95 | struct super_block *sb, int xid, const __u16 *pfid); |
96 | extern int cifs_get_inode_info_unix(struct inode **pinode, | 96 | extern int cifs_get_inode_info_unix(struct inode **pinode, |
97 | const unsigned char *search_path, | 97 | const unsigned char *search_path, |
98 | struct super_block *sb, int xid); | 98 | struct super_block *sb, int xid); |
99 | extern void acl_to_uid_mode(struct inode *inode, const char *search_path); | 99 | extern void acl_to_uid_mode(struct inode *inode, const char *path, |
100 | const __u16 *pfid); | ||
100 | extern int mode_to_acl(struct inode *inode, const char *path, __u64); | 101 | extern int mode_to_acl(struct inode *inode, const char *path, __u64); |
101 | 102 | ||
102 | extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, | 103 | extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, |
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 4e83b47c4b34..0f5c62ba4038 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c | |||
@@ -229,7 +229,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, | |||
229 | inode->i_sb, xid); | 229 | inode->i_sb, xid); |
230 | else { | 230 | else { |
231 | rc = cifs_get_inode_info(&newinode, full_path, | 231 | rc = cifs_get_inode_info(&newinode, full_path, |
232 | buf, inode->i_sb, xid); | 232 | buf, inode->i_sb, xid, |
233 | &fileHandle); | ||
233 | if (newinode) { | 234 | if (newinode) { |
234 | newinode->i_mode = mode; | 235 | newinode->i_mode = mode; |
235 | if ((oplock & CIFS_CREATE_ACTION) && | 236 | if ((oplock & CIFS_CREATE_ACTION) && |
@@ -483,7 +484,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, | |||
483 | parent_dir_inode->i_sb, xid); | 484 | parent_dir_inode->i_sb, xid); |
484 | else | 485 | else |
485 | rc = cifs_get_inode_info(&newInode, full_path, NULL, | 486 | rc = cifs_get_inode_info(&newInode, full_path, NULL, |
486 | parent_dir_inode->i_sb, xid); | 487 | parent_dir_inode->i_sb, xid, NULL); |
487 | 488 | ||
488 | if ((rc == 0) && (newInode != NULL)) { | 489 | if ((rc == 0) && (newInode != NULL)) { |
489 | if (pTcon->nocase) | 490 | if (pTcon->nocase) |
diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c index ef7f43824347..7cc86c418182 100644 --- a/fs/cifs/dns_resolve.c +++ b/fs/cifs/dns_resolve.c | |||
@@ -77,14 +77,14 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) | |||
77 | /* search for server name delimiter */ | 77 | /* search for server name delimiter */ |
78 | len = strlen(unc); | 78 | len = strlen(unc); |
79 | if (len < 3) { | 79 | if (len < 3) { |
80 | cFYI(1, ("%s: unc is too short: %s", __FUNCTION__, unc)); | 80 | cFYI(1, ("%s: unc is too short: %s", __func__, unc)); |
81 | return -EINVAL; | 81 | return -EINVAL; |
82 | } | 82 | } |
83 | len -= 2; | 83 | len -= 2; |
84 | name = memchr(unc+2, '\\', len); | 84 | name = memchr(unc+2, '\\', len); |
85 | if (!name) { | 85 | if (!name) { |
86 | cFYI(1, ("%s: probably server name is whole unc: %s", | 86 | cFYI(1, ("%s: probably server name is whole unc: %s", |
87 | __FUNCTION__, unc)); | 87 | __func__, unc)); |
88 | } else { | 88 | } else { |
89 | len = (name - unc) - 2/* leading // */; | 89 | len = (name - unc) - 2/* leading // */; |
90 | } | 90 | } |
@@ -104,7 +104,7 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) | |||
104 | if (*ip_addr) { | 104 | if (*ip_addr) { |
105 | memcpy(*ip_addr, rkey->payload.data, len); | 105 | memcpy(*ip_addr, rkey->payload.data, len); |
106 | (*ip_addr)[len] = '\0'; | 106 | (*ip_addr)[len] = '\0'; |
107 | cFYI(1, ("%s: resolved: %s to %s", __FUNCTION__, | 107 | cFYI(1, ("%s: resolved: %s to %s", __func__, |
108 | rkey->description, | 108 | rkey->description, |
109 | *ip_addr | 109 | *ip_addr |
110 | )); | 110 | )); |
@@ -114,7 +114,7 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) | |||
114 | } | 114 | } |
115 | key_put(rkey); | 115 | key_put(rkey); |
116 | } else { | 116 | } else { |
117 | cERROR(1, ("%s: unable to resolve: %s", __FUNCTION__, name)); | 117 | cERROR(1, ("%s: unable to resolve: %s", __func__, name)); |
118 | } | 118 | } |
119 | 119 | ||
120 | kfree(name); | 120 | kfree(name); |
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index fa849c91d323..40b690073fc1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c | |||
@@ -145,7 +145,7 @@ client_can_cache: | |||
145 | full_path, inode->i_sb, xid); | 145 | full_path, inode->i_sb, xid); |
146 | else | 146 | else |
147 | rc = cifs_get_inode_info(&file->f_path.dentry->d_inode, | 147 | rc = cifs_get_inode_info(&file->f_path.dentry->d_inode, |
148 | full_path, buf, inode->i_sb, xid); | 148 | full_path, buf, inode->i_sb, xid, NULL); |
149 | 149 | ||
150 | if ((*oplock & 0xF) == OPLOCK_EXCLUSIVE) { | 150 | if ((*oplock & 0xF) == OPLOCK_EXCLUSIVE) { |
151 | pCifsInode->clientCanCacheAll = TRUE; | 151 | pCifsInode->clientCanCacheAll = TRUE; |
@@ -440,7 +440,7 @@ reopen_error_exit: | |||
440 | else | 440 | else |
441 | rc = cifs_get_inode_info(&inode, | 441 | rc = cifs_get_inode_info(&inode, |
442 | full_path, NULL, inode->i_sb, | 442 | full_path, NULL, inode->i_sb, |
443 | xid); | 443 | xid, NULL); |
444 | } /* else we are writing out data to server already | 444 | } /* else we are writing out data to server already |
445 | and could deadlock if we tried to flush data, and | 445 | and could deadlock if we tried to flush data, and |
446 | since we do not know if we have data that would | 446 | since we do not know if we have data that would |
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 24eb4d392155..bc673c8c1e6b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c | |||
@@ -30,7 +30,7 @@ | |||
30 | #include "cifs_fs_sb.h" | 30 | #include "cifs_fs_sb.h" |
31 | 31 | ||
32 | 32 | ||
33 | static void cifs_set_ops(struct inode *inode) | 33 | static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral) |
34 | { | 34 | { |
35 | struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); | 35 | struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); |
36 | 36 | ||
@@ -57,8 +57,16 @@ static void cifs_set_ops(struct inode *inode) | |||
57 | inode->i_data.a_ops = &cifs_addr_ops; | 57 | inode->i_data.a_ops = &cifs_addr_ops; |
58 | break; | 58 | break; |
59 | case S_IFDIR: | 59 | case S_IFDIR: |
60 | inode->i_op = &cifs_dir_inode_ops; | 60 | #ifdef CONFIG_CIFS_DFS_UPCALL |
61 | inode->i_fop = &cifs_dir_ops; | 61 | if (is_dfs_referral) { |
62 | inode->i_op = &cifs_dfs_referral_inode_operations; | ||
63 | } else { | ||
64 | #else /* NO DFS support, treat as a directory */ | ||
65 | { | ||
66 | #endif | ||
67 | inode->i_op = &cifs_dir_inode_ops; | ||
68 | inode->i_fop = &cifs_dir_ops; | ||
69 | } | ||
62 | break; | 70 | break; |
63 | case S_IFLNK: | 71 | case S_IFLNK: |
64 | inode->i_op = &cifs_symlink_inode_ops; | 72 | inode->i_op = &cifs_symlink_inode_ops; |
@@ -153,6 +161,30 @@ static void cifs_unix_info_to_inode(struct inode *inode, | |||
153 | spin_unlock(&inode->i_lock); | 161 | spin_unlock(&inode->i_lock); |
154 | } | 162 | } |
155 | 163 | ||
164 | static const unsigned char *cifs_get_search_path(struct cifsTconInfo *pTcon, | ||
165 | const char *search_path) | ||
166 | { | ||
167 | int tree_len; | ||
168 | int path_len; | ||
169 | char *tmp_path; | ||
170 | |||
171 | if (!(pTcon->Flags & SMB_SHARE_IS_IN_DFS)) | ||
172 | return search_path; | ||
173 | |||
174 | /* use full path name for working with DFS */ | ||
175 | tree_len = strnlen(pTcon->treeName, MAX_TREE_SIZE + 1); | ||
176 | path_len = strnlen(search_path, MAX_PATHCONF); | ||
177 | |||
178 | tmp_path = kmalloc(tree_len+path_len+1, GFP_KERNEL); | ||
179 | if (tmp_path == NULL) | ||
180 | return search_path; | ||
181 | |||
182 | strncpy(tmp_path, pTcon->treeName, tree_len); | ||
183 | strncpy(tmp_path+tree_len, search_path, path_len); | ||
184 | tmp_path[tree_len+path_len] = 0; | ||
185 | return tmp_path; | ||
186 | } | ||
187 | |||
156 | int cifs_get_inode_info_unix(struct inode **pinode, | 188 | int cifs_get_inode_info_unix(struct inode **pinode, |
157 | const unsigned char *search_path, struct super_block *sb, int xid) | 189 | const unsigned char *search_path, struct super_block *sb, int xid) |
158 | { | 190 | { |
@@ -161,41 +193,31 @@ int cifs_get_inode_info_unix(struct inode **pinode, | |||
161 | struct cifsTconInfo *pTcon; | 193 | struct cifsTconInfo *pTcon; |
162 | struct inode *inode; | 194 | struct inode *inode; |
163 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 195 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
164 | char *tmp_path; | 196 | const unsigned char *full_path; |
197 | bool is_dfs_referral = false; | ||
165 | 198 | ||
166 | pTcon = cifs_sb->tcon; | 199 | pTcon = cifs_sb->tcon; |
167 | cFYI(1, ("Getting info on %s", search_path)); | 200 | cFYI(1, ("Getting info on %s", search_path)); |
201 | |||
202 | full_path = cifs_get_search_path(pTcon, search_path); | ||
203 | |||
204 | try_again_CIFSSMBUnixQPathInfo: | ||
168 | /* could have done a find first instead but this returns more info */ | 205 | /* could have done a find first instead but this returns more info */ |
169 | rc = CIFSSMBUnixQPathInfo(xid, pTcon, search_path, &findData, | 206 | rc = CIFSSMBUnixQPathInfo(xid, pTcon, full_path, &findData, |
170 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & | 207 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & |
171 | CIFS_MOUNT_MAP_SPECIAL_CHR); | 208 | CIFS_MOUNT_MAP_SPECIAL_CHR); |
172 | /* dump_mem("\nUnixQPathInfo return data", &findData, | 209 | /* dump_mem("\nUnixQPathInfo return data", &findData, |
173 | sizeof(findData)); */ | 210 | sizeof(findData)); */ |
174 | if (rc) { | 211 | if (rc) { |
175 | if (rc == -EREMOTE) { | 212 | if (rc == -EREMOTE && !is_dfs_referral) { |
176 | tmp_path = | 213 | is_dfs_referral = true; |
177 | kmalloc(strnlen(pTcon->treeName, | 214 | if (full_path != search_path) { |
178 | MAX_TREE_SIZE + 1) + | 215 | kfree(full_path); |
179 | strnlen(search_path, MAX_PATHCONF) + 1, | 216 | full_path = search_path; |
180 | GFP_KERNEL); | 217 | } |
181 | if (tmp_path == NULL) | 218 | goto try_again_CIFSSMBUnixQPathInfo; |
182 | return -ENOMEM; | ||
183 | |||
184 | /* have to skip first of the double backslash of | ||
185 | UNC name */ | ||
186 | strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE); | ||
187 | strncat(tmp_path, search_path, MAX_PATHCONF); | ||
188 | rc = connect_to_dfs_path(xid, pTcon->ses, | ||
189 | /* treename + */ tmp_path, | ||
190 | cifs_sb->local_nls, | ||
191 | cifs_sb->mnt_cifs_flags & | ||
192 | CIFS_MOUNT_MAP_SPECIAL_CHR); | ||
193 | kfree(tmp_path); | ||
194 | |||
195 | /* BB fix up inode etc. */ | ||
196 | } else if (rc) { | ||
197 | return rc; | ||
198 | } | 219 | } |
220 | goto cgiiu_exit; | ||
199 | } else { | 221 | } else { |
200 | struct cifsInodeInfo *cifsInfo; | 222 | struct cifsInodeInfo *cifsInfo; |
201 | __u64 num_of_bytes = le64_to_cpu(findData.NumOfBytes); | 223 | __u64 num_of_bytes = le64_to_cpu(findData.NumOfBytes); |
@@ -204,8 +226,10 @@ int cifs_get_inode_info_unix(struct inode **pinode, | |||
204 | /* get new inode */ | 226 | /* get new inode */ |
205 | if (*pinode == NULL) { | 227 | if (*pinode == NULL) { |
206 | *pinode = new_inode(sb); | 228 | *pinode = new_inode(sb); |
207 | if (*pinode == NULL) | 229 | if (*pinode == NULL) { |
208 | return -ENOMEM; | 230 | rc = -ENOMEM; |
231 | goto cgiiu_exit; | ||
232 | } | ||
209 | /* Is an i_ino of zero legal? */ | 233 | /* Is an i_ino of zero legal? */ |
210 | /* Are there sanity checks we can use to ensure that | 234 | /* Are there sanity checks we can use to ensure that |
211 | the server is really filling in that field? */ | 235 | the server is really filling in that field? */ |
@@ -237,8 +261,11 @@ int cifs_get_inode_info_unix(struct inode **pinode, | |||
237 | (unsigned long) inode->i_size, | 261 | (unsigned long) inode->i_size, |
238 | (unsigned long long)inode->i_blocks)); | 262 | (unsigned long long)inode->i_blocks)); |
239 | 263 | ||
240 | cifs_set_ops(inode); | 264 | cifs_set_ops(inode, is_dfs_referral); |
241 | } | 265 | } |
266 | cgiiu_exit: | ||
267 | if (full_path != search_path) | ||
268 | kfree(full_path); | ||
242 | return rc; | 269 | return rc; |
243 | } | 270 | } |
244 | 271 | ||
@@ -347,15 +374,16 @@ static int get_sfu_mode(struct inode *inode, | |||
347 | 374 | ||
348 | int cifs_get_inode_info(struct inode **pinode, | 375 | int cifs_get_inode_info(struct inode **pinode, |
349 | const unsigned char *search_path, FILE_ALL_INFO *pfindData, | 376 | const unsigned char *search_path, FILE_ALL_INFO *pfindData, |
350 | struct super_block *sb, int xid) | 377 | struct super_block *sb, int xid, const __u16 *pfid) |
351 | { | 378 | { |
352 | int rc = 0; | 379 | int rc = 0; |
353 | struct cifsTconInfo *pTcon; | 380 | struct cifsTconInfo *pTcon; |
354 | struct inode *inode; | 381 | struct inode *inode; |
355 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); | 382 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
356 | char *tmp_path; | 383 | const unsigned char *full_path = NULL; |
357 | char *buf = NULL; | 384 | char *buf = NULL; |
358 | int adjustTZ = FALSE; | 385 | int adjustTZ = FALSE; |
386 | bool is_dfs_referral = false; | ||
359 | 387 | ||
360 | pTcon = cifs_sb->tcon; | 388 | pTcon = cifs_sb->tcon; |
361 | cFYI(1, ("Getting info on %s", search_path)); | 389 | cFYI(1, ("Getting info on %s", search_path)); |
@@ -373,8 +401,12 @@ int cifs_get_inode_info(struct inode **pinode, | |||
373 | if (buf == NULL) | 401 | if (buf == NULL) |
374 | return -ENOMEM; | 402 | return -ENOMEM; |
375 | pfindData = (FILE_ALL_INFO *)buf; | 403 | pfindData = (FILE_ALL_INFO *)buf; |
404 | |||
405 | full_path = cifs_get_search_path(pTcon, search_path); | ||
406 | |||
407 | try_again_CIFSSMBQPathInfo: | ||
376 | /* could do find first instead but this returns more info */ | 408 | /* could do find first instead but this returns more info */ |
377 | rc = CIFSSMBQPathInfo(xid, pTcon, search_path, pfindData, | 409 | rc = CIFSSMBQPathInfo(xid, pTcon, full_path, pfindData, |
378 | 0 /* not legacy */, | 410 | 0 /* not legacy */, |
379 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & | 411 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & |
380 | CIFS_MOUNT_MAP_SPECIAL_CHR); | 412 | CIFS_MOUNT_MAP_SPECIAL_CHR); |
@@ -382,7 +414,7 @@ int cifs_get_inode_info(struct inode **pinode, | |||
382 | when server claims no NT SMB support and the above call | 414 | when server claims no NT SMB support and the above call |
383 | failed at least once - set flag in tcon or mount */ | 415 | failed at least once - set flag in tcon or mount */ |
384 | if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) { | 416 | if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) { |
385 | rc = SMBQueryInformation(xid, pTcon, search_path, | 417 | rc = SMBQueryInformation(xid, pTcon, full_path, |
386 | pfindData, cifs_sb->local_nls, | 418 | pfindData, cifs_sb->local_nls, |
387 | cifs_sb->mnt_cifs_flags & | 419 | cifs_sb->mnt_cifs_flags & |
388 | CIFS_MOUNT_MAP_SPECIAL_CHR); | 420 | CIFS_MOUNT_MAP_SPECIAL_CHR); |
@@ -391,31 +423,15 @@ int cifs_get_inode_info(struct inode **pinode, | |||
391 | } | 423 | } |
392 | /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */ | 424 | /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */ |
393 | if (rc) { | 425 | if (rc) { |
394 | if (rc == -EREMOTE) { | 426 | if (rc == -EREMOTE && !is_dfs_referral) { |
395 | tmp_path = | 427 | is_dfs_referral = true; |
396 | kmalloc(strnlen | 428 | if (full_path != search_path) { |
397 | (pTcon->treeName, | 429 | kfree(full_path); |
398 | MAX_TREE_SIZE + 1) + | 430 | full_path = search_path; |
399 | strnlen(search_path, MAX_PATHCONF) + 1, | ||
400 | GFP_KERNEL); | ||
401 | if (tmp_path == NULL) { | ||
402 | kfree(buf); | ||
403 | return -ENOMEM; | ||
404 | } | 431 | } |
405 | 432 | goto try_again_CIFSSMBQPathInfo; | |
406 | strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE); | ||
407 | strncat(tmp_path, search_path, MAX_PATHCONF); | ||
408 | rc = connect_to_dfs_path(xid, pTcon->ses, | ||
409 | /* treename + */ tmp_path, | ||
410 | cifs_sb->local_nls, | ||
411 | cifs_sb->mnt_cifs_flags & | ||
412 | CIFS_MOUNT_MAP_SPECIAL_CHR); | ||
413 | kfree(tmp_path); | ||
414 | /* BB fix up inode etc. */ | ||
415 | } else if (rc) { | ||
416 | kfree(buf); | ||
417 | return rc; | ||
418 | } | 433 | } |
434 | goto cgii_exit; | ||
419 | } else { | 435 | } else { |
420 | struct cifsInodeInfo *cifsInfo; | 436 | struct cifsInodeInfo *cifsInfo; |
421 | __u32 attr = le32_to_cpu(pfindData->Attributes); | 437 | __u32 attr = le32_to_cpu(pfindData->Attributes); |
@@ -424,8 +440,8 @@ int cifs_get_inode_info(struct inode **pinode, | |||
424 | if (*pinode == NULL) { | 440 | if (*pinode == NULL) { |
425 | *pinode = new_inode(sb); | 441 | *pinode = new_inode(sb); |
426 | if (*pinode == NULL) { | 442 | if (*pinode == NULL) { |
427 | kfree(buf); | 443 | rc = -ENOMEM; |
428 | return -ENOMEM; | 444 | goto cgii_exit; |
429 | } | 445 | } |
430 | /* Is an i_ino of zero legal? Can we use that to check | 446 | /* Is an i_ino of zero legal? Can we use that to check |
431 | if the server supports returning inode numbers? Are | 447 | if the server supports returning inode numbers? Are |
@@ -559,7 +575,7 @@ int cifs_get_inode_info(struct inode **pinode, | |||
559 | /* fill in 0777 bits from ACL */ | 575 | /* fill in 0777 bits from ACL */ |
560 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { | 576 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { |
561 | cFYI(1, ("Getting mode bits from ACL")); | 577 | cFYI(1, ("Getting mode bits from ACL")); |
562 | acl_to_uid_mode(inode, search_path); | 578 | acl_to_uid_mode(inode, search_path, pfid); |
563 | } | 579 | } |
564 | #endif | 580 | #endif |
565 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { | 581 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { |
@@ -573,8 +589,11 @@ int cifs_get_inode_info(struct inode **pinode, | |||
573 | atomic_set(&cifsInfo->inUse, 1); | 589 | atomic_set(&cifsInfo->inUse, 1); |
574 | } | 590 | } |
575 | 591 | ||
576 | cifs_set_ops(inode); | 592 | cifs_set_ops(inode, is_dfs_referral); |
577 | } | 593 | } |
594 | cgii_exit: | ||
595 | if (full_path != search_path) | ||
596 | kfree(full_path); | ||
578 | kfree(buf); | 597 | kfree(buf); |
579 | return rc; | 598 | return rc; |
580 | } | 599 | } |
@@ -603,7 +622,8 @@ struct inode *cifs_iget(struct super_block *sb, unsigned long ino) | |||
603 | if (cifs_sb->tcon->unix_ext) | 622 | if (cifs_sb->tcon->unix_ext) |
604 | rc = cifs_get_inode_info_unix(&inode, "", inode->i_sb, xid); | 623 | rc = cifs_get_inode_info_unix(&inode, "", inode->i_sb, xid); |
605 | else | 624 | else |
606 | rc = cifs_get_inode_info(&inode, "", NULL, inode->i_sb, xid); | 625 | rc = cifs_get_inode_info(&inode, "", NULL, inode->i_sb, xid, |
626 | NULL); | ||
607 | if (rc && cifs_sb->tcon->ipc) { | 627 | if (rc && cifs_sb->tcon->ipc) { |
608 | cFYI(1, ("ipc connection - fake read inode")); | 628 | cFYI(1, ("ipc connection - fake read inode")); |
609 | inode->i_mode |= S_IFDIR; | 629 | inode->i_mode |= S_IFDIR; |
@@ -804,7 +824,7 @@ static void posix_fill_in_inode(struct inode *tmp_inode, | |||
804 | local_size = tmp_inode->i_size; | 824 | local_size = tmp_inode->i_size; |
805 | 825 | ||
806 | cifs_unix_info_to_inode(tmp_inode, pData, 1); | 826 | cifs_unix_info_to_inode(tmp_inode, pData, 1); |
807 | cifs_set_ops(tmp_inode); | 827 | cifs_set_ops(tmp_inode, false); |
808 | 828 | ||
809 | if (!S_ISREG(tmp_inode->i_mode)) | 829 | if (!S_ISREG(tmp_inode->i_mode)) |
810 | return; | 830 | return; |
@@ -936,7 +956,7 @@ mkdir_get_info: | |||
936 | inode->i_sb, xid); | 956 | inode->i_sb, xid); |
937 | else | 957 | else |
938 | rc = cifs_get_inode_info(&newinode, full_path, NULL, | 958 | rc = cifs_get_inode_info(&newinode, full_path, NULL, |
939 | inode->i_sb, xid); | 959 | inode->i_sb, xid, NULL); |
940 | 960 | ||
941 | if (pTcon->nocase) | 961 | if (pTcon->nocase) |
942 | direntry->d_op = &cifs_ci_dentry_ops; | 962 | direntry->d_op = &cifs_ci_dentry_ops; |
@@ -1218,7 +1238,7 @@ int cifs_revalidate(struct dentry *direntry) | |||
1218 | } | 1238 | } |
1219 | } else { | 1239 | } else { |
1220 | rc = cifs_get_inode_info(&direntry->d_inode, full_path, NULL, | 1240 | rc = cifs_get_inode_info(&direntry->d_inode, full_path, NULL, |
1221 | direntry->d_sb, xid); | 1241 | direntry->d_sb, xid, NULL); |
1222 | if (rc) { | 1242 | if (rc) { |
1223 | cFYI(1, ("error on getting revalidate info %d", rc)); | 1243 | cFYI(1, ("error on getting revalidate info %d", rc)); |
1224 | /* if (rc != -ENOENT) | 1244 | /* if (rc != -ENOENT) |
@@ -1407,11 +1427,10 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs) | |||
1407 | } | 1427 | } |
1408 | cifsInode = CIFS_I(direntry->d_inode); | 1428 | cifsInode = CIFS_I(direntry->d_inode); |
1409 | 1429 | ||
1410 | /* BB check if we need to refresh inode from server now ? BB */ | 1430 | if ((attrs->ia_valid & ATTR_MTIME) || (attrs->ia_valid & ATTR_SIZE)) { |
1411 | |||
1412 | if (attrs->ia_valid & ATTR_SIZE) { | ||
1413 | /* | 1431 | /* |
1414 | Flush data before changing file size on server. If the | 1432 | Flush data before changing file size or changing the last |
1433 | write time of the file on the server. If the | ||
1415 | flush returns error, store it to report later and continue. | 1434 | flush returns error, store it to report later and continue. |
1416 | BB: This should be smarter. Why bother flushing pages that | 1435 | BB: This should be smarter. Why bother flushing pages that |
1417 | will be truncated anyway? Also, should we error out here if | 1436 | will be truncated anyway? Also, should we error out here if |
@@ -1422,7 +1441,9 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs) | |||
1422 | CIFS_I(direntry->d_inode)->write_behind_rc = rc; | 1441 | CIFS_I(direntry->d_inode)->write_behind_rc = rc; |
1423 | rc = 0; | 1442 | rc = 0; |
1424 | } | 1443 | } |
1444 | } | ||
1425 | 1445 | ||
1446 | if (attrs->ia_valid & ATTR_SIZE) { | ||
1426 | /* To avoid spurious oplock breaks from server, in the case of | 1447 | /* To avoid spurious oplock breaks from server, in the case of |
1427 | inodes that we already have open, avoid doing path based | 1448 | inodes that we already have open, avoid doing path based |
1428 | setting of file size if we can do it by handle. | 1449 | setting of file size if we can do it by handle. |
diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 1d6fb01b8e6d..d4e7ec93285f 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c | |||
@@ -205,7 +205,7 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname) | |||
205 | inode->i_sb, xid); | 205 | inode->i_sb, xid); |
206 | else | 206 | else |
207 | rc = cifs_get_inode_info(&newinode, full_path, NULL, | 207 | rc = cifs_get_inode_info(&newinode, full_path, NULL, |
208 | inode->i_sb, xid); | 208 | inode->i_sb, xid, NULL); |
209 | 209 | ||
210 | if (rc != 0) { | 210 | if (rc != 0) { |
211 | cFYI(1, ("Create symlink ok, getinodeinfo fail rc = %d", | 211 | cFYI(1, ("Create symlink ok, getinodeinfo fail rc = %d", |