diff options
Diffstat (limited to 'fs/cifs')
-rw-r--r-- | fs/cifs/cifsfs.c | 16 | ||||
-rw-r--r-- | fs/cifs/cifsfs.h | 2 | ||||
-rw-r--r-- | fs/cifs/cifssmb.c | 6 | ||||
-rw-r--r-- | fs/cifs/connect.c | 118 | ||||
-rw-r--r-- | fs/cifs/dir.c | 17 | ||||
-rw-r--r-- | fs/cifs/file.c | 3 |
6 files changed, 62 insertions, 100 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index acb138f..0a0fa02 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -370,13 +370,13 @@ cifs_show_options(struct seq_file *s, struct dentry *root) (int)(srcaddr->sa_family)); } - seq_printf(s, ",uid=%d", cifs_sb->mnt_uid); + seq_printf(s, ",uid=%u", cifs_sb->mnt_uid); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) seq_printf(s, ",forceuid"); else seq_printf(s, ",noforceuid"); - seq_printf(s, ",gid=%d", cifs_sb->mnt_gid); + seq_printf(s, ",gid=%u", cifs_sb->mnt_gid); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) seq_printf(s, ",forcegid"); else @@ -434,11 +434,15 @@ cifs_show_options(struct seq_file *s, struct dentry *root) seq_printf(s, ",noperm"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) seq_printf(s, ",strictcache"); + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID) + seq_printf(s, ",backupuid=%u", cifs_sb->mnt_backupuid); + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID) + seq_printf(s, ",backupgid=%u", cifs_sb->mnt_backupgid); - seq_printf(s, ",rsize=%d", cifs_sb->rsize); - seq_printf(s, ",wsize=%d", cifs_sb->wsize); + seq_printf(s, ",rsize=%u", cifs_sb->rsize); + seq_printf(s, ",wsize=%u", cifs_sb->wsize); /* convert actimeo and display it in seconds */ - seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ); + seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ); return 0; } @@ -695,7 +699,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin) * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate * the cached file length */ - if (origin != SEEK_SET || origin != SEEK_CUR) { + if (origin != SEEK_SET && origin != SEEK_CUR) { int rc; struct inode *inode = file->f_path.dentry->d_inode; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index d1389bb..6536535 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -125,5 +125,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ -#define CIFS_VERSION "1.77" +#define CIFS_VERSION "1.78" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index f52c5ab..da2f544 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4844,8 +4844,12 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, max_len = data_end - temp; node->node_name = cifs_strndup_from_utf16(temp, max_len, is_unicode, nls_codepage); - if (!node->node_name) + if (!node->node_name) { rc = -ENOMEM; + goto parse_DFS_referrals_exit; + } + + ref++; } parse_DFS_referrals_exit: diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index d81e933..e0b56d7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -109,6 +109,8 @@ enum { /* Options which could be blank */ Opt_blank_pass, + Opt_blank_user, + Opt_blank_ip, Opt_err }; @@ -162,7 +164,8 @@ static const match_table_t cifs_mount_option_tokens = { { Opt_sign, "sign" }, { Opt_seal, "seal" }, { Opt_direct, "direct" }, - { Opt_direct, "forceddirectio" }, + { Opt_direct, "directio" }, + { Opt_direct, "forcedirectio" }, { Opt_strictcache, "strictcache" }, { Opt_noac, "noac" }, { Opt_fsc, "fsc" }, @@ -183,11 +186,15 @@ static const match_table_t cifs_mount_option_tokens = { { Opt_wsize, "wsize=%s" }, { Opt_actimeo, "actimeo=%s" }, + { Opt_blank_user, "user=" }, + { Opt_blank_user, "username=" }, { Opt_user, "user=%s" }, { Opt_user, "username=%s" }, { Opt_blank_pass, "pass=" }, { Opt_pass, "pass=%s" }, { Opt_pass, "password=%s" }, + { Opt_blank_ip, "ip=" }, + { Opt_blank_ip, "addr=" }, { Opt_ip, "ip=%s" }, { Opt_ip, "addr=%s" }, { Opt_unc, "unc=%s" }, @@ -209,6 +216,8 @@ static const match_table_t cifs_mount_option_tokens = { { Opt_ignore, "cred" }, { Opt_ignore, "credentials" }, + { Opt_ignore, "cred=%s" }, + { Opt_ignore, "credentials=%s" }, { Opt_ignore, "guest" }, { Opt_ignore, "rw" }, { Opt_ignore, "ro" }, @@ -1117,7 +1126,7 @@ static int get_option_ul(substring_t args[], unsigned long *option) string = match_strdup(args); if (string == NULL) return -ENOMEM; - rc = kstrtoul(string, 10, option); + rc = kstrtoul(string, 0, option); kfree(string); return rc; @@ -1534,15 +1543,17 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, /* String Arguments */ + case Opt_blank_user: + /* null user, ie. anonymous authentication */ + vol->nullauth = 1; + vol->username = NULL; + break; case Opt_user: string = match_strdup(args); if (string == NULL) goto out_nomem; - if (!*string) { - /* null user, ie. anonymous authentication */ - vol->nullauth = 1; - } else if (strnlen(string, MAX_USERNAME_SIZE) > + if (strnlen(string, MAX_USERNAME_SIZE) > MAX_USERNAME_SIZE) { printk(KERN_WARNING "CIFS: username too long\n"); goto cifs_parse_mount_err; @@ -1611,14 +1622,15 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, } vol->password[j] = '\0'; break; + case Opt_blank_ip: + vol->UNCip = NULL; + break; case Opt_ip: string = match_strdup(args); if (string == NULL) goto out_nomem; - if (!*string) { - vol->UNCip = NULL; - } else if (strnlen(string, INET6_ADDRSTRLEN) > + if (strnlen(string, INET6_ADDRSTRLEN) > INET6_ADDRSTRLEN) { printk(KERN_WARNING "CIFS: ip address " "too long\n"); @@ -1636,12 +1648,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: invalid path to " - "network resource\n"); - goto cifs_parse_mount_err; - } - temp_len = strnlen(string, 300); if (temp_len == 300) { printk(KERN_WARNING "CIFS: UNC name too long\n"); @@ -1670,11 +1676,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: invalid domain" - " name\n"); - goto cifs_parse_mount_err; - } else if (strnlen(string, 256) == 256) { + if (strnlen(string, 256) == 256) { printk(KERN_WARNING "CIFS: domain name too" " long\n"); goto cifs_parse_mount_err; @@ -1693,11 +1695,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: srcaddr value not" - " specified\n"); - goto cifs_parse_mount_err; - } else if (!cifs_convert_address( + if (!cifs_convert_address( (struct sockaddr *)&vol->srcaddr, string, strlen(string))) { printk(KERN_WARNING "CIFS: Could not parse" @@ -1710,11 +1708,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: Invalid path" - " prefix\n"); - goto cifs_parse_mount_err; - } temp_len = strnlen(string, 1024); if (string[0] != '/') temp_len++; /* missing leading slash */ @@ -1742,11 +1735,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: Invalid iocharset" - " specified\n"); - goto cifs_parse_mount_err; - } else if (strnlen(string, 1024) >= 65) { + if (strnlen(string, 1024) >= 65) { printk(KERN_WARNING "CIFS: iocharset name " "too long.\n"); goto cifs_parse_mount_err; @@ -1771,11 +1760,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: No socket option" - " specified\n"); - goto cifs_parse_mount_err; - } if (strnicmp(string, "TCP_NODELAY", 11) == 0) vol->sockopt_tcp_nodelay = 1; break; @@ -1784,12 +1768,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: Invalid (empty)" - " netbiosname\n"); - break; - } - memset(vol->source_rfc1001_name, 0x20, RFC1001_NAME_LEN); /* @@ -1817,11 +1795,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: Empty server" - " netbiosname specified\n"); - break; - } /* last byte, type, is 0x20 for servr type */ memset(vol->target_rfc1001_name, 0x20, RFC1001_NAME_LEN_WITH_NULL); @@ -1848,12 +1821,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - cERROR(1, "no protocol version specified" - " after vers= mount option"); - goto cifs_parse_mount_err; - } - if (strnicmp(string, "cifs", 4) == 0 || strnicmp(string, "1", 1) == 0) { /* This is the default */ @@ -1868,12 +1835,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (!*string) { - printk(KERN_WARNING "CIFS: no security flavor" - " specified\n"); - break; - } - if (cifs_parse_security_flavors(string, vol) != 0) goto cifs_parse_mount_err; break; @@ -2225,6 +2186,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info) tcp_ses->session_estab = false; tcp_ses->sequence_number = 0; tcp_ses->lstrp = jiffies; + spin_lock_init(&tcp_ses->req_lock); INIT_LIST_HEAD(&tcp_ses->tcp_ses_list); INIT_LIST_HEAD(&tcp_ses->smb_ses_list); INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request); @@ -3270,10 +3232,6 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_uid = pvolume_info->linux_uid; cifs_sb->mnt_gid = pvolume_info->linux_gid; - if (pvolume_info->backupuid_specified) - cifs_sb->mnt_backupuid = pvolume_info->backupuid; - if (pvolume_info->backupgid_specified) - cifs_sb->mnt_backupgid = pvolume_info->backupgid; cifs_sb->mnt_file_mode = pvolume_info->file_mode; cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; cFYI(1, "file mode: 0x%hx dir mode: 0x%hx", @@ -3304,10 +3262,14 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD; if (pvolume_info->cifs_acl) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL; - if (pvolume_info->backupuid_specified) + if (pvolume_info->backupuid_specified) { cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID; - if (pvolume_info->backupgid_specified) + cifs_sb->mnt_backupuid = pvolume_info->backupuid; + } + if (pvolume_info->backupgid_specified) { cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID; + cifs_sb->mnt_backupgid = pvolume_info->backupgid; + } if (pvolume_info->override_uid) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID; if (pvolume_info->override_gid) @@ -3656,22 +3618,6 @@ cifs_get_volume_info(char *mount_data, const char *devname) return volume_info; } -/* make sure ra_pages is a multiple of rsize */ -static inline unsigned int -cifs_ra_pages(struct cifs_sb_info *cifs_sb) -{ - unsigned int reads; - unsigned int rsize_pages = cifs_sb->rsize / PAGE_CACHE_SIZE; - - if (rsize_pages >= default_backing_dev_info.ra_pages) - return default_backing_dev_info.ra_pages; - else if (rsize_pages == 0) - return rsize_pages; - - reads = default_backing_dev_info.ra_pages / rsize_pages; - return reads * rsize_pages; -} - int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) { @@ -3759,7 +3705,7 @@ try_mount_again: cifs_sb->rsize = cifs_negotiate_rsize(tcon, volume_info); /* tune readahead according to rsize */ - cifs_sb->bdi.ra_pages = cifs_ra_pages(cifs_sb); + cifs_sb->bdi.ra_pages = cifs_sb->rsize / PAGE_CACHE_SIZE; remote_path_check: #ifdef CONFIG_CIFS_DFS_UPCALL diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index d172c8e..ec4e9a2 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -668,12 +668,19 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd) return 0; else { /* - * Forcibly invalidate automounting directory inodes - * (remote DFS directories) so to have them - * instantiated again for automount + * If the inode wasn't known to be a dfs entry when + * the dentry was instantiated, such as when created + * via ->readdir(), it needs to be set now since the + * attributes will have been updated by + * cifs_revalidate_dentry(). */ - if (IS_AUTOMOUNT(direntry->d_inode)) - return 0; + if (IS_AUTOMOUNT(direntry->d_inode) && + !(direntry->d_flags & DCACHE_NEED_AUTOMOUNT)) { + spin_lock(&direntry->d_lock); + direntry->d_flags |= DCACHE_NEED_AUTOMOUNT; + spin_unlock(&direntry->d_lock); + } + return 1; } } diff --git a/fs/cifs/file.c b/fs/cifs/file.c index fae765d..81725e9 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2178,7 +2178,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, unsigned long nr_pages, i; size_t copied, len, cur_len; ssize_t total_written = 0; - loff_t offset = *poffset; + loff_t offset; struct iov_iter it; struct cifsFileInfo *open_file; struct cifs_tcon *tcon; @@ -2200,6 +2200,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); open_file = file->private_data; tcon = tlink_tcon(open_file->tlink); + offset = *poffset; if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD) pid = open_file->pid; |