diff options
| -rw-r--r-- | fs/cifs/cifsproto.h | 3 | ||||
| -rw-r--r-- | fs/cifs/dir.c | 36 | ||||
| -rw-r--r-- | fs/cifs/file.c | 31 |
3 files changed, 20 insertions, 50 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 733e71b57c7a..42da854cda36 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h | |||
| @@ -91,6 +91,9 @@ extern u64 cifs_UnixTimeToNT(struct timespec); | |||
| 91 | extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, | 91 | extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, |
| 92 | int offset); | 92 | int offset); |
| 93 | 93 | ||
| 94 | extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode, | ||
| 95 | __u16 fileHandle, struct file *file, | ||
| 96 | struct cifsTconInfo *tcon, unsigned int oflags); | ||
| 94 | extern int cifs_posix_open(char *full_path, struct inode **pinode, | 97 | extern int cifs_posix_open(char *full_path, struct inode **pinode, |
| 95 | struct vfsmount *mnt, int mode, int oflags, | 98 | struct vfsmount *mnt, int mode, int oflags, |
| 96 | __u32 *poplock, __u16 *pnetfid, int xid); | 99 | __u32 *poplock, __u16 *pnetfid, int xid); |
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 9a5df7a84698..627a60a6c1b1 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c | |||
| @@ -130,9 +130,9 @@ cifs_bp_rename_retry: | |||
| 130 | return full_path; | 130 | return full_path; |
| 131 | } | 131 | } |
| 132 | 132 | ||
| 133 | static void | 133 | struct cifsFileInfo * |
| 134 | cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, | 134 | cifs_new_fileinfo(struct inode *newinode, __u16 fileHandle, |
| 135 | struct vfsmount *mnt, bool write_only) | 135 | struct file *file, struct vfsmount *mnt, unsigned int oflags) |
| 136 | { | 136 | { |
| 137 | int oplock = 0; | 137 | int oplock = 0; |
| 138 | struct cifsFileInfo *pCifsFile; | 138 | struct cifsFileInfo *pCifsFile; |
| @@ -140,9 +140,8 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, | |||
| 140 | struct cifs_sb_info *cifs_sb = CIFS_SB(mnt->mnt_sb); | 140 | struct cifs_sb_info *cifs_sb = CIFS_SB(mnt->mnt_sb); |
| 141 | 141 | ||
| 142 | pCifsFile = kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL); | 142 | pCifsFile = kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL); |
| 143 | |||
| 144 | if (pCifsFile == NULL) | 143 | if (pCifsFile == NULL) |
| 145 | return; | 144 | return pCifsFile; |
| 146 | 145 | ||
| 147 | if (oplockEnabled) | 146 | if (oplockEnabled) |
| 148 | oplock = REQ_OPLOCK; | 147 | oplock = REQ_OPLOCK; |
| @@ -151,6 +150,7 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, | |||
| 151 | pCifsFile->pid = current->tgid; | 150 | pCifsFile->pid = current->tgid; |
| 152 | pCifsFile->pInode = igrab(newinode); | 151 | pCifsFile->pInode = igrab(newinode); |
| 153 | pCifsFile->mnt = mnt; | 152 | pCifsFile->mnt = mnt; |
| 153 | pCifsFile->pfile = file; | ||
| 154 | pCifsFile->invalidHandle = false; | 154 | pCifsFile->invalidHandle = false; |
| 155 | pCifsFile->closePend = false; | 155 | pCifsFile->closePend = false; |
| 156 | mutex_init(&pCifsFile->fh_mutex); | 156 | mutex_init(&pCifsFile->fh_mutex); |
| @@ -159,18 +159,16 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, | |||
| 159 | atomic_set(&pCifsFile->count, 1); | 159 | atomic_set(&pCifsFile->count, 1); |
| 160 | slow_work_init(&pCifsFile->oplock_break, &cifs_oplock_break_ops); | 160 | slow_work_init(&pCifsFile->oplock_break, &cifs_oplock_break_ops); |
| 161 | 161 | ||
| 162 | /* set the following in open now | ||
| 163 | pCifsFile->pfile = file; */ | ||
| 164 | write_lock(&GlobalSMBSeslock); | 162 | write_lock(&GlobalSMBSeslock); |
| 165 | list_add(&pCifsFile->tlist, &cifs_sb->tcon->openFileList); | 163 | list_add(&pCifsFile->tlist, &cifs_sb->tcon->openFileList); |
| 166 | pCifsInode = CIFS_I(newinode); | 164 | pCifsInode = CIFS_I(newinode); |
| 167 | if (pCifsInode) { | 165 | if (pCifsInode) { |
| 168 | /* if readable file instance put first in list*/ | 166 | /* if readable file instance put first in list*/ |
| 169 | if (write_only) | 167 | if (oflags & FMODE_READ) |
| 168 | list_add(&pCifsFile->flist, &pCifsInode->openFileList); | ||
| 169 | else | ||
| 170 | list_add_tail(&pCifsFile->flist, | 170 | list_add_tail(&pCifsFile->flist, |
| 171 | &pCifsInode->openFileList); | 171 | &pCifsInode->openFileList); |
| 172 | else | ||
| 173 | list_add(&pCifsFile->flist, &pCifsInode->openFileList); | ||
| 174 | 172 | ||
| 175 | if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) { | 173 | if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) { |
| 176 | pCifsInode->clientCanCacheAll = true; | 174 | pCifsInode->clientCanCacheAll = true; |
| @@ -180,6 +178,8 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, | |||
| 180 | pCifsInode->clientCanCacheRead = true; | 178 | pCifsInode->clientCanCacheRead = true; |
| 181 | } | 179 | } |
| 182 | write_unlock(&GlobalSMBSeslock); | 180 | write_unlock(&GlobalSMBSeslock); |
| 181 | |||
| 182 | return pCifsFile; | ||
| 183 | } | 183 | } |
| 184 | 184 | ||
| 185 | int cifs_posix_open(char *full_path, struct inode **pinode, | 185 | int cifs_posix_open(char *full_path, struct inode **pinode, |
| @@ -187,7 +187,6 @@ int cifs_posix_open(char *full_path, struct inode **pinode, | |||
| 187 | __u32 *poplock, __u16 *pnetfid, int xid) | 187 | __u32 *poplock, __u16 *pnetfid, int xid) |
| 188 | { | 188 | { |
| 189 | int rc; | 189 | int rc; |
| 190 | bool write_only = false; | ||
| 191 | FILE_UNIX_BASIC_INFO *presp_data; | 190 | FILE_UNIX_BASIC_INFO *presp_data; |
| 192 | __u32 posix_flags = 0; | 191 | __u32 posix_flags = 0; |
| 193 | struct cifs_sb_info *cifs_sb = CIFS_SB(mnt->mnt_sb); | 192 | struct cifs_sb_info *cifs_sb = CIFS_SB(mnt->mnt_sb); |
| @@ -226,9 +225,6 @@ int cifs_posix_open(char *full_path, struct inode **pinode, | |||
| 226 | if (oflags & O_DIRECT) | 225 | if (oflags & O_DIRECT) |
| 227 | posix_flags |= SMB_O_DIRECT; | 226 | posix_flags |= SMB_O_DIRECT; |
| 228 | 227 | ||
| 229 | if (!(oflags & FMODE_READ)) | ||
| 230 | write_only = true; | ||
| 231 | |||
| 232 | mode &= ~current_umask(); | 228 | mode &= ~current_umask(); |
| 233 | rc = CIFSPOSIXCreate(xid, cifs_sb->tcon, posix_flags, mode, | 229 | rc = CIFSPOSIXCreate(xid, cifs_sb->tcon, posix_flags, mode, |
| 234 | pnetfid, presp_data, poplock, full_path, | 230 | pnetfid, presp_data, poplock, full_path, |
| @@ -256,7 +252,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode, | |||
| 256 | cifs_fattr_to_inode(*pinode, &fattr); | 252 | cifs_fattr_to_inode(*pinode, &fattr); |
| 257 | } | 253 | } |
| 258 | 254 | ||
| 259 | cifs_fill_fileinfo(*pinode, *pnetfid, mnt, write_only); | 255 | cifs_new_fileinfo(*pinode, *pnetfid, NULL, mnt, oflags); |
| 260 | 256 | ||
| 261 | posix_open_ret: | 257 | posix_open_ret: |
| 262 | kfree(presp_data); | 258 | kfree(presp_data); |
| @@ -301,7 +297,6 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, | |||
| 301 | FILE_ALL_INFO *buf = NULL; | 297 | FILE_ALL_INFO *buf = NULL; |
| 302 | struct inode *newinode = NULL; | 298 | struct inode *newinode = NULL; |
| 303 | int disposition = FILE_OVERWRITE_IF; | 299 | int disposition = FILE_OVERWRITE_IF; |
| 304 | bool write_only = false; | ||
| 305 | 300 | ||
| 306 | xid = GetXid(); | 301 | xid = GetXid(); |
| 307 | 302 | ||
| @@ -354,11 +349,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, | |||
| 354 | desiredAccess = 0; | 349 | desiredAccess = 0; |
| 355 | if (oflags & FMODE_READ) | 350 | if (oflags & FMODE_READ) |
| 356 | desiredAccess |= GENERIC_READ; /* is this too little? */ | 351 | desiredAccess |= GENERIC_READ; /* is this too little? */ |
| 357 | if (oflags & FMODE_WRITE) { | 352 | if (oflags & FMODE_WRITE) |
| 358 | desiredAccess |= GENERIC_WRITE; | 353 | desiredAccess |= GENERIC_WRITE; |
| 359 | if (!(oflags & FMODE_READ)) | ||
| 360 | write_only = true; | ||
| 361 | } | ||
| 362 | 354 | ||
| 363 | if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) | 355 | if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) |
| 364 | disposition = FILE_CREATE; | 356 | disposition = FILE_CREATE; |
| @@ -473,8 +465,8 @@ cifs_create_set_dentry: | |||
| 473 | /* mknod case - do not leave file open */ | 465 | /* mknod case - do not leave file open */ |
| 474 | CIFSSMBClose(xid, tcon, fileHandle); | 466 | CIFSSMBClose(xid, tcon, fileHandle); |
| 475 | } else if (!(posix_create) && (newinode)) { | 467 | } else if (!(posix_create) && (newinode)) { |
| 476 | cifs_fill_fileinfo(newinode, fileHandle, nd->path.mnt, | 468 | cifs_new_fileinfo(newinode, fileHandle, NULL, |
| 477 | write_only); | 469 | nd->path.mnt, oflags); |
| 478 | } | 470 | } |
| 479 | cifs_create_out: | 471 | cifs_create_out: |
| 480 | kfree(buf); | 472 | kfree(buf); |
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 90f61786f516..fee993c92f1a 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c | |||
| @@ -40,29 +40,6 @@ | |||
| 40 | #include "cifs_debug.h" | 40 | #include "cifs_debug.h" |
| 41 | #include "cifs_fs_sb.h" | 41 | #include "cifs_fs_sb.h" |
| 42 | 42 | ||
| 43 | static inline struct cifsFileInfo *cifs_init_private( | ||
| 44 | struct cifsFileInfo *private_data, struct inode *inode, | ||
| 45 | struct file *file, __u16 netfid) | ||
| 46 | { | ||
| 47 | memset(private_data, 0, sizeof(struct cifsFileInfo)); | ||
| 48 | private_data->netfid = netfid; | ||
| 49 | private_data->pid = current->tgid; | ||
| 50 | mutex_init(&private_data->fh_mutex); | ||
| 51 | mutex_init(&private_data->lock_mutex); | ||
| 52 | INIT_LIST_HEAD(&private_data->llist); | ||
| 53 | private_data->pfile = file; /* needed for writepage */ | ||
| 54 | private_data->pInode = igrab(inode); | ||
| 55 | private_data->mnt = file->f_path.mnt; | ||
| 56 | private_data->invalidHandle = false; | ||
| 57 | private_data->closePend = false; | ||
| 58 | /* Initialize reference count to one. The private data is | ||
| 59 | freed on the release of the last reference */ | ||
| 60 | atomic_set(&private_data->count, 1); | ||
| 61 | slow_work_init(&private_data->oplock_break, &cifs_oplock_break_ops); | ||
| 62 | |||
| 63 | return private_data; | ||
| 64 | } | ||
| 65 | |||
| 66 | static inline int cifs_convert_flags(unsigned int flags) | 43 | static inline int cifs_convert_flags(unsigned int flags) |
| 67 | { | 44 | { |
| 68 | if ((flags & O_ACCMODE) == O_RDONLY) | 45 | if ((flags & O_ACCMODE) == O_RDONLY) |
| @@ -420,15 +397,13 @@ int cifs_open(struct inode *inode, struct file *file) | |||
| 420 | cFYI(1, ("cifs_open returned 0x%x", rc)); | 397 | cFYI(1, ("cifs_open returned 0x%x", rc)); |
| 421 | goto out; | 398 | goto out; |
| 422 | } | 399 | } |
| 423 | file->private_data = | 400 | pCifsFile = cifs_new_fileinfo(inode, netfid, file, file->f_path.mnt, |
| 424 | kmalloc(sizeof(struct cifsFileInfo), GFP_KERNEL); | 401 | file->f_flags); |
| 402 | file->private_data = pCifsFile; | ||
| 425 | if (file->private_data == NULL) { | 403 | if (file->private_data == NULL) { |
| 426 | rc = -ENOMEM; | 404 | rc = -ENOMEM; |
| 427 | goto out; | 405 | goto out; |
| 428 | } | 406 | } |
| 429 | pCifsFile = cifs_init_private(file->private_data, inode, file, netfid); | ||
| 430 | write_lock(&GlobalSMBSeslock); | ||
| 431 | list_add(&pCifsFile->tlist, &tcon->openFileList); | ||
| 432 | 407 | ||
| 433 | pCifsInode = CIFS_I(file->f_path.dentry->d_inode); | 408 | pCifsInode = CIFS_I(file->f_path.dentry->d_inode); |
| 434 | if (pCifsInode) { | 409 | if (pCifsInode) { |
