From 31ec35d6c81175016a6372571eab23b6bd40b406 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 16 Nov 2006 20:54:20 +0000 Subject: [CIFS] Incorrect hardlink count when original file is cached (oplocked) Fixes Samba bug 2823 In this case hardlink count is stale for one of the two inodes (ie the original file) until it is closed - since revalidate does not go to server while file is cached locally. Signed-off-by: Steve French --- fs/cifs/link.c | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 0bee8b7..8e25996 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -69,17 +69,30 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, rc = -EOPNOTSUPP; } -/* if (!rc) */ - { - /* renew_parental_timestamps(old_file); - inode->i_nlink++; - mark_inode_dirty(inode); - d_instantiate(direntry, inode); */ - /* BB add call to either mark inode dirty or refresh its data and timestamp to current time */ + d_drop(direntry); /* force new lookup from server of target */ + + /* if source file is cached (oplocked) revalidate will not go to server + until the file is closed or oplock broken so update nlinks locally */ + if(old_file->d_inode) { + cifsInode = CIFS_I(old_file->d_inode); + if(rc == 0) { + old_file->d_inode->i_nlink++; + old_file->d_inode->i_ctime = CURRENT_TIME; + /* parent dir timestamps will update from srv + within a second, would it really be worth it + to set the parent dir cifs inode time to zero + to force revalidate (faster) for it too? */ + } + /* if not oplocked will force revalidate to get info + on source file from srv */ + cifsInode->time = 0; + + /* Will update parent dir timestamps from srv within a second. + Would it really be worth it to set the parent dir (cifs + inode) time field to zero to force revalidate on parent + directory faster ie + CIFS_I(inode)->time = 0; */ } - d_drop(direntry); /* force new lookup from server */ - cifsInode = CIFS_I(old_file->d_inode); - cifsInode->time = 0; /* will force revalidate to go get info when needed */ cifs_hl_exit: kfree(fromName); -- cgit v1.1 From 8d6286fdfd290589f8446ec1503702227263dcfd Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 16 Nov 2006 22:48:25 +0000 Subject: [CIFS] Fix timezone handling on stat to os/2 We were adjusting for timezone on readdir but not on stat Signed-off-by: Steve French --- fs/cifs/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/cifs') diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 1ad8c9f..c4fa91b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -318,6 +318,7 @@ int cifs_get_inode_info(struct inode **pinode, struct cifs_sb_info *cifs_sb = CIFS_SB(sb); char *tmp_path; char *buf = NULL; + int adjustTZ = FALSE; pTcon = cifs_sb->tcon; cFYI(1,("Getting info on %s", search_path)); @@ -348,6 +349,7 @@ int cifs_get_inode_info(struct inode **pinode, pfindData, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + adjustTZ = TRUE; } } @@ -444,6 +446,10 @@ int cifs_get_inode_info(struct inode **pinode, inode->i_ctime = cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime)); cFYI(0, ("Attributes came in as 0x%x", attr)); + if(adjustTZ && (pTcon->ses) && (pTcon->ses->server)) { + inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj; + inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj; + } /* set default mode. will override for dirs below */ if (atomic_read(&cifsInfo->inUse) == 0) -- cgit v1.1 From e6b4f8da3a88457148038bc952043e99a7fdba64 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:14 -0800 Subject: [PATCH] slab: remove SLAB_NOFS SLAB_NOFS is an alias of GFP_NOFS. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/misc.c | 4 ++-- fs/cifs/transport.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index bbc9cd3..8355daf 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -153,7 +153,7 @@ cifs_buf_get(void) albeit slightly larger than necessary and maxbuffersize defaults to this and can not be bigger */ ret_buf = - (struct smb_hdr *) mempool_alloc(cifs_req_poolp, SLAB_KERNEL | SLAB_NOFS); + (struct smb_hdr *) mempool_alloc(cifs_req_poolp, SLAB_KERNEL | GFP_NOFS); /* clear the first few header bytes */ /* for most paths, more is cleared in header_assemble */ @@ -192,7 +192,7 @@ cifs_small_buf_get(void) albeit slightly larger than necessary and maxbuffersize defaults to this and can not be bigger */ ret_buf = - (struct smb_hdr *) mempool_alloc(cifs_sm_req_poolp, SLAB_KERNEL | SLAB_NOFS); + (struct smb_hdr *) mempool_alloc(cifs_sm_req_poolp, SLAB_KERNEL | GFP_NOFS); if (ret_buf) { /* No need to clear memory here, cleared in header assemble */ /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/ diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 48d47b4..7514237 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -51,7 +51,7 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct cifsSesInfo *ses) } temp = (struct mid_q_entry *) mempool_alloc(cifs_mid_poolp, - SLAB_KERNEL | SLAB_NOFS); + SLAB_KERNEL | GFP_NOFS); if (temp == NULL) return temp; else { -- cgit v1.1 From e94b1766097d53e6f3ccfb36c8baa562ffeda3fc Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:17 -0800 Subject: [PATCH] slab: remove SLAB_KERNEL SLAB_KERNEL is an alias of GFP_KERNEL. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/cifsfs.c | 2 +- fs/cifs/misc.c | 4 ++-- fs/cifs/transport.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 84976cd..8416862 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -245,7 +245,7 @@ static struct inode * cifs_alloc_inode(struct super_block *sb) { struct cifsInodeInfo *cifs_inode; - cifs_inode = kmem_cache_alloc(cifs_inode_cachep, SLAB_KERNEL); + cifs_inode = kmem_cache_alloc(cifs_inode_cachep, GFP_KERNEL); if (!cifs_inode) return NULL; cifs_inode->cifsAttrs = 0x20; /* default */ diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 8355daf..aedf683 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -153,7 +153,7 @@ cifs_buf_get(void) albeit slightly larger than necessary and maxbuffersize defaults to this and can not be bigger */ ret_buf = - (struct smb_hdr *) mempool_alloc(cifs_req_poolp, SLAB_KERNEL | GFP_NOFS); + (struct smb_hdr *) mempool_alloc(cifs_req_poolp, GFP_KERNEL | GFP_NOFS); /* clear the first few header bytes */ /* for most paths, more is cleared in header_assemble */ @@ -192,7 +192,7 @@ cifs_small_buf_get(void) albeit slightly larger than necessary and maxbuffersize defaults to this and can not be bigger */ ret_buf = - (struct smb_hdr *) mempool_alloc(cifs_sm_req_poolp, SLAB_KERNEL | GFP_NOFS); + (struct smb_hdr *) mempool_alloc(cifs_sm_req_poolp, GFP_KERNEL | GFP_NOFS); if (ret_buf) { /* No need to clear memory here, cleared in header assemble */ /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/ diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 7514237..1f72776 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -51,7 +51,7 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct cifsSesInfo *ses) } temp = (struct mid_q_entry *) mempool_alloc(cifs_mid_poolp, - SLAB_KERNEL | GFP_NOFS); + GFP_KERNEL | GFP_NOFS); if (temp == NULL) return temp; else { @@ -118,7 +118,7 @@ AllocOplockQEntry(struct inode * pinode, __u16 fid, struct cifsTconInfo * tcon) return NULL; } temp = (struct oplock_q_entry *) kmem_cache_alloc(cifs_oplock_cachep, - SLAB_KERNEL); + GFP_KERNEL); if (temp == NULL) return temp; else { -- cgit v1.1 From e18b890bb0881bbab6f4f1a6cd20d9c60d66b003 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:20 -0800 Subject: [PATCH] slab: remove kmem_cache_t Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/cifsfs.c | 14 +++++++------- fs/cifs/transport.c | 2 +- 2 files changed, 8 insertions(+), 8 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8416862..e6b5866 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -81,7 +81,7 @@ extern mempool_t *cifs_sm_req_poolp; extern mempool_t *cifs_req_poolp; extern mempool_t *cifs_mid_poolp; -extern kmem_cache_t *cifs_oplock_cachep; +extern struct kmem_cache *cifs_oplock_cachep; static int cifs_read_super(struct super_block *sb, void *data, @@ -232,11 +232,11 @@ static int cifs_permission(struct inode * inode, int mask, struct nameidata *nd) return generic_permission(inode, mask, NULL); } -static kmem_cache_t *cifs_inode_cachep; -static kmem_cache_t *cifs_req_cachep; -static kmem_cache_t *cifs_mid_cachep; -kmem_cache_t *cifs_oplock_cachep; -static kmem_cache_t *cifs_sm_req_cachep; +static struct kmem_cache *cifs_inode_cachep; +static struct kmem_cache *cifs_req_cachep; +static struct kmem_cache *cifs_mid_cachep; +struct kmem_cache *cifs_oplock_cachep; +static struct kmem_cache *cifs_sm_req_cachep; mempool_t *cifs_sm_req_poolp; mempool_t *cifs_req_poolp; mempool_t *cifs_mid_poolp; @@ -668,7 +668,7 @@ const struct file_operations cifs_dir_ops = { }; static void -cifs_init_once(void *inode, kmem_cache_t * cachep, unsigned long flags) +cifs_init_once(void *inode, struct kmem_cache * cachep, unsigned long flags) { struct cifsInodeInfo *cifsi = inode; diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 1f72776..f80007e 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -34,7 +34,7 @@ #include "cifs_debug.h" extern mempool_t *cifs_mid_poolp; -extern kmem_cache_t *cifs_oplock_cachep; +extern struct kmem_cache *cifs_oplock_cachep; static struct mid_q_entry * AllocMidQEntry(const struct smb_hdr *smb_buffer, struct cifsSesInfo *ses) -- cgit v1.1 From 7dfb71030f7636a0d65200158113c37764552f93 Mon Sep 17 00:00:00 2001 From: Nigel Cunningham Date: Wed, 6 Dec 2006 20:34:23 -0800 Subject: [PATCH] Add include/linux/freezer.h and move definitions from sched.h Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham Cc: "Rafael J. Wysocki" Cc: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/cifsfs.c | 1 + fs/cifs/connect.c | 1 + 2 files changed, 2 insertions(+) (limited to 'fs/cifs') diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index e6b5866..71bc87a 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -34,6 +34,7 @@ #include #include #include +#include #include "cifsfs.h" #include "cifspdu.h" #define DECLARE_GLOBALS_HERE diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 71f7791..2caca06 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include #include "cifspdu.h" -- cgit v1.1 From 33ec32fae0e2c4433bfd1e74cbde6cb16604a719 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 8 Dec 2006 04:14:28 +0000 Subject: [CIFS] Fix NTLMv2 mounts to Windows servers Windows servers are pickier about NTLMv2 than Samba. This enables more secure mounts to Windows (not just Samba) ie when "sec=ntlmv2" is specified on the mount. Signed-off-by: Steve French --- fs/cifs/CHANGES | 3 ++- fs/cifs/cifsencrypt.c | 4 +++- fs/cifs/cifspdu.h | 8 +++++++- 3 files changed, 12 insertions(+), 3 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 0b3c37e..3539d6e 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -5,7 +5,8 @@ Allow null user to be specified on mount ("username="). Do not return EINVAL on readdir when filldir fails due to overwritten blocksize (fixes FC problem). Return error in rename 2nd attempt retry (ie report if rename by handle also fails, after rename by path fails, we were -not reporting whether the retry worked or not). +not reporting whether the retry worked or not). Fix NTLMv2 to +work to Windows servers (mount with option "sec=ntlmv2"). Version 1.45 ------------ diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 4bc250b..fdeda51 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -372,8 +372,10 @@ void setup_ntlmv2_rsp(struct cifsSesInfo * ses, char * resp_buf, buf->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); get_random_bytes(&buf->client_chal, sizeof(buf->client_chal)); buf->reserved2 = 0; - buf->names[0].type = 0; + buf->names[0].type = cpu_to_le16(NTLMSSP_DOMAIN_TYPE); buf->names[0].length = 0; + buf->names[1].type = 0; + buf->names[1].length = 0; /* calculate buf->ntlmv2_hash */ rc = calc_ntlmv2_hash(ses, nls_cp); diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index 6df9dad..068ef51e 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -580,6 +580,12 @@ typedef union smb_com_session_setup_andx { /* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ +#define NTLMSSP_SERVER_TYPE 1 +#define NTLMSSP_DOMAIN_TYPE 2 +#define NTLMSSP_FQ_DOMAIN_TYPE 3 +#define NTLMSSP_DNS_DOMAIN_TYPE 4 +#define NTLMSSP_DNS_PARENT_TYPE 5 + struct ntlmssp2_name { __le16 type; __le16 length; @@ -593,7 +599,7 @@ struct ntlmv2_resp { __le64 time; __u64 client_chal; /* random */ __u32 reserved2; - struct ntlmssp2_name names[1]; + struct ntlmssp2_name names[2]; /* array of name entries could follow ending in minimum 4 byte struct */ } __attribute__((packed)); -- cgit v1.1 From e6a002964cf376c2acb1d67c4741044dcd3b1622 Mon Sep 17 00:00:00 2001 From: "Josef \"Jeff\" Sipek" Date: Fri, 8 Dec 2006 02:36:48 -0800 Subject: [PATCH] cifs: change uses of f_{dentry, vfsmnt} to use f_path Change all the uses of f_{dentry,vfsmnt} to f_path.{dentry,mnt} in the cifs filesystem. Signed-off-by: Josef "Jeff" Sipek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/cifsfs.c | 4 +- fs/cifs/fcntl.c | 4 +- fs/cifs/file.c | 114 +++++++++++++++++++++++++++--------------------------- fs/cifs/readdir.c | 32 +++++++-------- 4 files changed, 77 insertions(+), 77 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 71bc87a..10c9029 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -498,7 +498,7 @@ cifs_get_sb(struct file_system_type *fs_type, static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { - struct inode *inode = iocb->ki_filp->f_dentry->d_inode; + struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode; ssize_t written; written = generic_file_aio_write(iocb, iov, nr_segs, pos); @@ -511,7 +511,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin) { /* origin == SEEK_END => we must revalidate the cached file length */ if (origin == SEEK_END) { - int retval = cifs_revalidate(file->f_dentry); + int retval = cifs_revalidate(file->f_path.dentry); if (retval < 0) return (loff_t)retval; } diff --git a/fs/cifs/fcntl.c b/fs/cifs/fcntl.c index d91a3d4..da12b48 100644 --- a/fs/cifs/fcntl.c +++ b/fs/cifs/fcntl.c @@ -83,10 +83,10 @@ int cifs_dir_notify(struct file * file, unsigned long arg) return 0; xid = GetXid(); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); if(full_path == NULL) { rc = -ENOMEM; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 2436ed8..1aa95a5 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -122,34 +122,34 @@ static inline int cifs_open_inode_helper(struct inode *inode, struct file *file, /* if not oplocked, invalidate inode pages if mtime or file size changed */ temp = cifs_NTtimeToUnix(le64_to_cpu(buf->LastWriteTime)); - if (timespec_equal(&file->f_dentry->d_inode->i_mtime, &temp) && - (file->f_dentry->d_inode->i_size == + if (timespec_equal(&file->f_path.dentry->d_inode->i_mtime, &temp) && + (file->f_path.dentry->d_inode->i_size == (loff_t)le64_to_cpu(buf->EndOfFile))) { cFYI(1, ("inode unchanged on server")); } else { - if (file->f_dentry->d_inode->i_mapping) { + if (file->f_path.dentry->d_inode->i_mapping) { /* BB no need to lock inode until after invalidate since namei code should already have it locked? */ - filemap_write_and_wait(file->f_dentry->d_inode->i_mapping); + filemap_write_and_wait(file->f_path.dentry->d_inode->i_mapping); } cFYI(1, ("invalidating remote inode since open detected it " "changed")); - invalidate_remote_inode(file->f_dentry->d_inode); + invalidate_remote_inode(file->f_path.dentry->d_inode); } client_can_cache: if (pTcon->ses->capabilities & CAP_UNIX) - rc = cifs_get_inode_info_unix(&file->f_dentry->d_inode, + rc = cifs_get_inode_info_unix(&file->f_path.dentry->d_inode, full_path, inode->i_sb, xid); else - rc = cifs_get_inode_info(&file->f_dentry->d_inode, + rc = cifs_get_inode_info(&file->f_path.dentry->d_inode, full_path, buf, inode->i_sb, xid); if ((*oplock & 0xF) == OPLOCK_EXCLUSIVE) { pCifsInode->clientCanCacheAll = TRUE; pCifsInode->clientCanCacheRead = TRUE; cFYI(1, ("Exclusive Oplock granted on inode %p", - file->f_dentry->d_inode)); + file->f_path.dentry->d_inode)); } else if ((*oplock & 0xF) == OPLOCK_READ) pCifsInode->clientCanCacheRead = TRUE; @@ -178,7 +178,7 @@ int cifs_open(struct inode *inode, struct file *file) if (file->f_flags & O_CREAT) { /* search inode for this file and fill in file->private_data */ - pCifsInode = CIFS_I(file->f_dentry->d_inode); + pCifsInode = CIFS_I(file->f_path.dentry->d_inode); read_lock(&GlobalSMBSeslock); list_for_each(tmp, &pCifsInode->openFileList) { pCifsFile = list_entry(tmp, struct cifsFileInfo, @@ -206,7 +206,7 @@ int cifs_open(struct inode *inode, struct file *file) } } - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); if (full_path == NULL) { FreeXid(xid); return -ENOMEM; @@ -291,7 +291,7 @@ int cifs_open(struct inode *inode, struct file *file) write_lock(&GlobalSMBSeslock); list_add(&pCifsFile->tlist, &pTcon->openFileList); - pCifsInode = CIFS_I(file->f_dentry->d_inode); + pCifsInode = CIFS_I(file->f_path.dentry->d_inode); if (pCifsInode) { rc = cifs_open_inode_helper(inode, file, pCifsInode, pCifsFile, pTcon, @@ -366,7 +366,7 @@ static int cifs_reopen_file(struct inode *inode, struct file *file, return 0; } - if (file->f_dentry == NULL) { + if (file->f_path.dentry == NULL) { up(&pCifsFile->fh_sem); cFYI(1, ("failed file reopen, no valid name if dentry freed")); FreeXid(xid); @@ -378,7 +378,7 @@ static int cifs_reopen_file(struct inode *inode, struct file *file, those that already have the rename sem can end up causing writepage to get called and if the server was down that means we end up here, and we can never tell if the caller already has the rename_sem */ - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); if (full_path == NULL) { up(&pCifsFile->fh_sem); FreeXid(xid); @@ -444,7 +444,7 @@ static int cifs_reopen_file(struct inode *inode, struct file *file, pCifsInode->clientCanCacheAll = TRUE; pCifsInode->clientCanCacheRead = TRUE; cFYI(1, ("Exclusive Oplock granted on inode %p", - file->f_dentry->d_inode)); + file->f_path.dentry->d_inode)); } else if ((oplock & 0xF) == OPLOCK_READ) { pCifsInode->clientCanCacheRead = TRUE; pCifsInode->clientCanCacheAll = FALSE; @@ -551,7 +551,7 @@ int cifs_closedir(struct inode *inode, struct file *file) if (pCFileStruct) { struct cifsTconInfo *pTcon; - struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_dentry->d_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; @@ -664,7 +664,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) } else cFYI(1, ("Unknown type of lock")); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; if (file->private_data == NULL) { @@ -791,10 +791,10 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, int xid, long_op; struct cifsFileInfo *open_file; - if (file->f_dentry == NULL) + if (file->f_path.dentry == NULL) return -EBADF; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); if (cifs_sb == NULL) return -EBADF; @@ -802,7 +802,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, /* cFYI(1, (" write %d bytes to offset %lld of %s", write_size, - *poffset, file->f_dentry->d_name.name)); */ + *poffset, file->f_path.dentry->d_name.name)); */ if (file->private_data == NULL) return -EBADF; @@ -810,12 +810,12 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, open_file = (struct cifsFileInfo *) file->private_data; xid = GetXid(); - if (file->f_dentry->d_inode == NULL) { + if (file->f_path.dentry->d_inode == NULL) { FreeXid(xid); return -EBADF; } - if (*poffset > file->f_dentry->d_inode->i_size) + if (*poffset > file->f_path.dentry->d_inode->i_size) long_op = 2; /* writes past end of file can take a long time */ else long_op = 1; @@ -840,8 +840,8 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, return -EBADF; } if (open_file->invalidHandle) { - if ((file->f_dentry == NULL) || - (file->f_dentry->d_inode == NULL)) { + if ((file->f_path.dentry == NULL) || + (file->f_path.dentry->d_inode == NULL)) { FreeXid(xid); return total_written; } @@ -849,7 +849,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, filemap_fdatawait from here so tell reopen_file not to flush data to server now */ - rc = cifs_reopen_file(file->f_dentry->d_inode, + rc = cifs_reopen_file(file->f_path.dentry->d_inode, file, FALSE); if (rc != 0) break; @@ -878,17 +878,17 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, cifs_stats_bytes_written(pTcon, total_written); /* since the write may have blocked check these pointers again */ - if (file->f_dentry) { - if (file->f_dentry->d_inode) { - struct inode *inode = file->f_dentry->d_inode; + if (file->f_path.dentry) { + if (file->f_path.dentry->d_inode) { + struct inode *inode = file->f_path.dentry->d_inode; inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb); if (total_written > 0) { - if (*poffset > file->f_dentry->d_inode->i_size) - i_size_write(file->f_dentry->d_inode, + if (*poffset > file->f_path.dentry->d_inode->i_size) + i_size_write(file->f_path.dentry->d_inode, *poffset); } - mark_inode_dirty_sync(file->f_dentry->d_inode); + mark_inode_dirty_sync(file->f_path.dentry->d_inode); } } FreeXid(xid); @@ -906,17 +906,17 @@ static ssize_t cifs_write(struct file *file, const char *write_data, int xid, long_op; struct cifsFileInfo *open_file; - if (file->f_dentry == NULL) + if (file->f_path.dentry == NULL) return -EBADF; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); if (cifs_sb == NULL) return -EBADF; pTcon = cifs_sb->tcon; cFYI(1,("write %zd bytes to offset %lld of %s", write_size, - *poffset, file->f_dentry->d_name.name)); + *poffset, file->f_path.dentry->d_name.name)); if (file->private_data == NULL) return -EBADF; @@ -924,12 +924,12 @@ static ssize_t cifs_write(struct file *file, const char *write_data, open_file = (struct cifsFileInfo *)file->private_data; xid = GetXid(); - if (file->f_dentry->d_inode == NULL) { + if (file->f_path.dentry->d_inode == NULL) { FreeXid(xid); return -EBADF; } - if (*poffset > file->f_dentry->d_inode->i_size) + if (*poffset > file->f_path.dentry->d_inode->i_size) long_op = 2; /* writes past end of file can take a long time */ else long_op = 1; @@ -955,8 +955,8 @@ static ssize_t cifs_write(struct file *file, const char *write_data, return -EBADF; } if (open_file->invalidHandle) { - if ((file->f_dentry == NULL) || - (file->f_dentry->d_inode == NULL)) { + if ((file->f_path.dentry == NULL) || + (file->f_path.dentry->d_inode == NULL)) { FreeXid(xid); return total_written; } @@ -964,7 +964,7 @@ static ssize_t cifs_write(struct file *file, const char *write_data, filemap_fdatawait from here so tell reopen_file not to flush data to server now */ - rc = cifs_reopen_file(file->f_dentry->d_inode, + rc = cifs_reopen_file(file->f_path.dentry->d_inode, file, FALSE); if (rc != 0) break; @@ -1011,16 +1011,16 @@ static ssize_t cifs_write(struct file *file, const char *write_data, cifs_stats_bytes_written(pTcon, total_written); /* since the write may have blocked check these pointers again */ - if (file->f_dentry) { - if (file->f_dentry->d_inode) { - file->f_dentry->d_inode->i_ctime = - file->f_dentry->d_inode->i_mtime = CURRENT_TIME; + if (file->f_path.dentry) { + if (file->f_path.dentry->d_inode) { + file->f_path.dentry->d_inode->i_ctime = + file->f_path.dentry->d_inode->i_mtime = CURRENT_TIME; if (total_written > 0) { - if (*poffset > file->f_dentry->d_inode->i_size) - i_size_write(file->f_dentry->d_inode, + if (*poffset > file->f_path.dentry->d_inode->i_size) + i_size_write(file->f_path.dentry->d_inode, *poffset); } - mark_inode_dirty_sync(file->f_dentry->d_inode); + mark_inode_dirty_sync(file->f_path.dentry->d_inode); } } FreeXid(xid); @@ -1384,7 +1384,7 @@ static int cifs_commit_write(struct file *file, struct page *page, if ((open_file->invalidHandle) && (!open_file->closePend)) { rc = cifs_reopen_file( - file->f_dentry->d_inode, file); + file->f_path.dentry->d_inode, file); if (rc != 0) break; } @@ -1434,7 +1434,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync) { int xid; int rc = 0; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; xid = GetXid(); @@ -1482,7 +1482,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync) */ int cifs_flush(struct file *file, fl_owner_t id) { - struct inode * inode = file->f_dentry->d_inode; + struct inode * inode = file->f_path.dentry->d_inode; int rc = 0; /* Rather than do the steps manually: @@ -1519,7 +1519,7 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data, struct smb_com_read_rsp *pSMBr; xid = GetXid(); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; if (file->private_data == NULL) { @@ -1542,7 +1542,7 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data, int buf_type = CIFS_NO_BUFFER; if ((open_file->invalidHandle) && (!open_file->closePend)) { - rc = cifs_reopen_file(file->f_dentry->d_inode, + rc = cifs_reopen_file(file->f_path.dentry->d_inode, file, TRUE); if (rc != 0) break; @@ -1601,7 +1601,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, int buf_type = CIFS_NO_BUFFER; xid = GetXid(); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; if (file->private_data == NULL) { @@ -1629,7 +1629,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, while (rc == -EAGAIN) { if ((open_file->invalidHandle) && (!open_file->closePend)) { - rc = cifs_reopen_file(file->f_dentry->d_inode, + rc = cifs_reopen_file(file->f_path.dentry->d_inode, file, TRUE); if (rc != 0) break; @@ -1658,7 +1658,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, int cifs_file_mmap(struct file *file, struct vm_area_struct *vma) { - struct dentry *dentry = file->f_dentry; + struct dentry *dentry = file->f_path.dentry; int rc, xid; xid = GetXid(); @@ -1744,7 +1744,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, return -EBADF; } open_file = (struct cifsFileInfo *)file->private_data; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; pagevec_init(&lru_pvec, 0); @@ -1786,7 +1786,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, while (rc == -EAGAIN) { if ((open_file->invalidHandle) && (!open_file->closePend)) { - rc = cifs_reopen_file(file->f_dentry->d_inode, + rc = cifs_reopen_file(file->f_path.dentry->d_inode, file, TRUE); if (rc != 0) break; @@ -1880,8 +1880,8 @@ static int cifs_readpage_worker(struct file *file, struct page *page, else cFYI(1, ("Bytes read %d",rc)); - file->f_dentry->d_inode->i_atime = - current_fs_time(file->f_dentry->d_inode->i_sb); + file->f_path.dentry->d_inode->i_atime = + current_fs_time(file->f_path.dentry->d_inode->i_sb); if (PAGE_CACHE_SIZE > rc) memset(read_data + rc, 0, PAGE_CACHE_SIZE - rc); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index ed18c39..99dfb53 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -68,30 +68,30 @@ static int construct_dentry(struct qstr *qstring, struct file *file, int rc = 0; cFYI(1, ("For %s", qstring->name)); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; qstring->hash = full_name_hash(qstring->name, qstring->len); - tmp_dentry = d_lookup(file->f_dentry, qstring); + tmp_dentry = d_lookup(file->f_path.dentry, qstring); if (tmp_dentry) { cFYI(0, ("existing dentry with inode 0x%p", tmp_dentry->d_inode)); *ptmp_inode = tmp_dentry->d_inode; /* BB overwrite old name? i.e. tmp_dentry->d_name and tmp_dentry->d_name.len??*/ if(*ptmp_inode == NULL) { - *ptmp_inode = new_inode(file->f_dentry->d_sb); + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); if(*ptmp_inode == NULL) return rc; rc = 1; } } else { - tmp_dentry = d_alloc(file->f_dentry, qstring); + tmp_dentry = d_alloc(file->f_path.dentry, qstring); if(tmp_dentry == NULL) { cERROR(1,("Failed allocating dentry")); *ptmp_inode = NULL; return rc; } - *ptmp_inode = new_inode(file->f_dentry->d_sb); + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); if (pTcon->nocase) tmp_dentry->d_op = &cifs_ci_dentry_ops; else @@ -432,10 +432,10 @@ static int initiate_cifs_search(const int xid, struct file *file) cifsFile->invalidHandle = TRUE; cifsFile->srch_inf.endOfSearch = FALSE; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return -ENOENT; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); if(cifs_sb == NULL) return -EINVAL; @@ -443,7 +443,7 @@ static int initiate_cifs_search(const int xid, struct file *file) if(pTcon == NULL) return -EINVAL; - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); if(full_path == NULL) { return -ENOMEM; @@ -609,10 +609,10 @@ static int is_dir_changed(struct file * file) struct inode * inode; struct cifsInodeInfo *cifsInfo; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return 0; - inode = file->f_dentry->d_inode; + inode = file->f_path.dentry->d_inode; if(inode == NULL) return 0; @@ -839,7 +839,7 @@ static int cifs_filldir(char *pfindEntry, struct file *file, if((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL)) return -ENOENT; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return -ENOENT; rc = cifs_entry_is_dot(pfindEntry,pCifsF); @@ -847,7 +847,7 @@ static int cifs_filldir(char *pfindEntry, struct file *file, if(rc != 0) return 0; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); qstring.name = scratch_buf; rc = cifs_get_name_from_search_buf(&qstring,pfindEntry, @@ -985,12 +985,12 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) xid = GetXid(); - if(file->f_dentry == NULL) { + if(file->f_path.dentry == NULL) { FreeXid(xid); return -EIO; } - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; if(pTcon == NULL) return -EINVAL; @@ -998,7 +998,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) switch ((int) file->f_pos) { case 0: if (filldir(direntry, ".", 1, file->f_pos, - file->f_dentry->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for current dir failed")); rc = -ENOMEM; break; @@ -1006,7 +1006,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) file->f_pos++; case 1: if (filldir(direntry, "..", 2, file->f_pos, - file->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for parent dir failed")); rc = -ENOMEM; break; -- cgit v1.1 From 6f88cc2e9c29c181557b477ee396375906acbc90 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sun, 10 Dec 2006 02:19:44 -0800 Subject: [PATCH] io-accounting-read-accounting cifs fix CIFS implements ->readpages and doesn't use read_cache_pages(). So wire the read IO accounting up within CIFS. Cc: Jay Lan Cc: Shailabh Nagar Cc: Balbir Singh Cc: Chris Sturtivant Cc: Tony Ernst Cc: Guillaume Thouvenin Cc: Steven French Cc: David Wright Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/file.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/cifs') diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 1aa95a5..0f05cab 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include "cifsfs.h" @@ -1812,6 +1813,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, cFYI(1, ("Read error in readpages: %d", rc)); break; } else if (bytes_read > 0) { + task_io_account_read(bytes_read); pSMBr = (struct smb_com_read_rsp *)smb_read_data; cifs_copy_cache_pages(mapping, page_list, bytes_read, smb_read_data + 4 /* RFC1001 hdr */ + -- cgit v1.1 From 5cbded585d129d0226cb48ac4202b253c781be26 Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Wed, 13 Dec 2006 00:35:56 -0800 Subject: [PATCH] getting rid of all casts of k[cmz]alloc() calls Run this: #!/bin/sh for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do echo "De-casting $f..." perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f done And then go through and reinstate those cases where code is casting pointers to non-pointers. And then drop a few hunks which conflicted with outstanding work. Cc: Russell King , Ian Molton Cc: Mikael Starvik Cc: Yoshinori Sato Cc: Roman Zippel Cc: Geert Uytterhoeven Cc: Ralf Baechle Cc: Paul Mackerras Cc: Kyle McMartin Cc: Benjamin Herrenschmidt Cc: Martin Schwidefsky Cc: "David S. Miller" Cc: Jeff Dike Cc: Greg KH Cc: Jens Axboe Cc: Paul Fulghum Cc: Alan Cox Cc: Karsten Keil Cc: Mauro Carvalho Chehab Cc: Jeff Garzik Cc: James Bottomley Cc: Ian Kent Cc: Steven French Cc: David Woodhouse Cc: Neil Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/cifs/cifssmb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/cifs') diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 098790e..472e33e 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4876,7 +4876,7 @@ int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, } else { /* Add file to outstanding requests */ /* BB change to kmem cache alloc */ - dnotify_req = (struct dir_notify_req *) kmalloc( + dnotify_req = kmalloc( sizeof(struct dir_notify_req), GFP_KERNEL); if(dnotify_req) { -- cgit v1.1 From cb876f451455b6187a7d69de2c112c45ec4b7f99 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 23 Dec 2006 16:19:07 -0800 Subject: Fix up CIFS for "test_clear_page_dirty()" removal This also adds he required page "writeback" flag handling, that cifs hasn't been doing and that the page dirty flag changes made obvious. Acked-by: Steve French Acked-by: Dave Kleikamp Signed-off-by: Linus Torvalds --- fs/cifs/file.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 0f05cab..8a49b2e 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1245,14 +1245,21 @@ retry: wait_on_page_writeback(page); if (PageWriteback(page) || - !test_clear_page_dirty(page)) { + !clear_page_dirty_for_io(page)) { unlock_page(page); break; } + /* + * This actually clears the dirty bit in the radix tree. + * See cifs_writepage() for more commentary. + */ + set_page_writeback(page); + if (page_offset(page) >= mapping->host->i_size) { done = 1; unlock_page(page); + end_page_writeback(page); break; } @@ -1316,6 +1323,7 @@ retry: SetPageError(page); kunmap(page); unlock_page(page); + end_page_writeback(page); page_cache_release(page); } if ((wbc->nr_to_write -= n_iov) <= 0) @@ -1352,11 +1360,23 @@ static int cifs_writepage(struct page* page, struct writeback_control *wbc) if (!PageUptodate(page)) { cFYI(1, ("ppw - page not up to date")); } - + + /* + * Set the "writeback" flag, and clear "dirty" in the radix tree. + * + * A writepage() implementation always needs to do either this, + * or re-dirty the page with "redirty_page_for_writepage()" in + * the case of a failure. + * + * Just unlocking the page will cause the radix tree tag-bits + * to fail to update with the state of the page correctly. + */ + set_page_writeback(page); rc = cifs_partialpagewrite(page, 0, PAGE_CACHE_SIZE); SetPageUptodate(page); /* BB add check for error and Clearuptodate? */ unlock_page(page); - page_cache_release(page); + end_page_writeback(page); + page_cache_release(page); FreeXid(xid); return rc; } -- cgit v1.1