diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r-- | fs/cifs/cifsfs.c | 149 |
1 files changed, 68 insertions, 81 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 5be1f997ecd..2c90d07c0b3 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -87,10 +87,6 @@ extern mempool_t *cifs_mid_poolp; struct workqueue_struct *cifsiod_wq; -#ifdef CONFIG_CIFS_SMB2 -__u8 cifs_client_guid[SMB2_CLIENT_GUID_SIZE]; -#endif - /* * Bumps refcount for cifs super block. * Note that it should be only called if a referece to VFS super block is @@ -251,11 +247,7 @@ cifs_alloc_inode(struct super_block *sb) * server, can not assume caching of file data or metadata. */ cifs_set_oplock_level(cifs_inode, 0); - cifs_inode->delete_pending = false; - cifs_inode->invalid_mapping = false; - clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cifs_inode->flags); - clear_bit(CIFS_INODE_PENDING_WRITERS, &cifs_inode->flags); - clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2, &cifs_inode->flags); + cifs_inode->flags = 0; spin_lock_init(&cifs_inode->writers_lock); cifs_inode->writers = 0; cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ @@ -302,7 +294,7 @@ cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server) struct sockaddr_in *sa = (struct sockaddr_in *) &server->dstaddr; struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &server->dstaddr; - seq_printf(s, ",addr="); + seq_puts(s, ",addr="); switch (server->dstaddr.ss_family) { case AF_INET: @@ -314,7 +306,7 @@ cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server) seq_printf(s, "%%%u", sa6->sin6_scope_id); break; default: - seq_printf(s, "(unknown)"); + seq_puts(s, "(unknown)"); } } @@ -324,45 +316,45 @@ cifs_show_security(struct seq_file *s, struct cifs_ses *ses) if (ses->sectype == Unspecified) return; - seq_printf(s, ",sec="); + seq_puts(s, ",sec="); switch (ses->sectype) { case LANMAN: - seq_printf(s, "lanman"); + seq_puts(s, "lanman"); break; case NTLMv2: - seq_printf(s, "ntlmv2"); + seq_puts(s, "ntlmv2"); break; case NTLM: - seq_printf(s, "ntlm"); + seq_puts(s, "ntlm"); break; case Kerberos: - seq_printf(s, "krb5"); + seq_puts(s, "krb5"); break; case RawNTLMSSP: - seq_printf(s, "ntlmssp"); + seq_puts(s, "ntlmssp"); break; default: /* shouldn't ever happen */ - seq_printf(s, "unknown"); + seq_puts(s, "unknown"); break; } if (ses->sign) - seq_printf(s, "i"); + seq_puts(s, "i"); } static void cifs_show_cache_flavor(struct seq_file *s, struct cifs_sb_info *cifs_sb) { - seq_printf(s, ",cache="); + seq_puts(s, ",cache="); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) - seq_printf(s, "strict"); + seq_puts(s, "strict"); else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) - seq_printf(s, "none"); + seq_puts(s, "none"); else - seq_printf(s, "loose"); + seq_puts(s, "loose"); } static void @@ -395,7 +387,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root) cifs_show_cache_flavor(s, cifs_sb); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER) - seq_printf(s, ",multiuser"); + seq_puts(s, ",multiuser"); else if (tcon->ses->user_name) seq_printf(s, ",username=%s", tcon->ses->user_name); @@ -421,16 +413,16 @@ cifs_show_options(struct seq_file *s, struct dentry *root) seq_printf(s, ",uid=%u", from_kuid_munged(&init_user_ns, cifs_sb->mnt_uid)); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) - seq_printf(s, ",forceuid"); + seq_puts(s, ",forceuid"); else - seq_printf(s, ",noforceuid"); + seq_puts(s, ",noforceuid"); seq_printf(s, ",gid=%u", from_kgid_munged(&init_user_ns, cifs_sb->mnt_gid)); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) - seq_printf(s, ",forcegid"); + seq_puts(s, ",forcegid"); else - seq_printf(s, ",noforcegid"); + seq_puts(s, ",noforcegid"); cifs_show_address(s, tcon->ses->server); @@ -442,47 +434,47 @@ cifs_show_options(struct seq_file *s, struct dentry *root) cifs_show_nls(s, cifs_sb->local_nls); if (tcon->seal) - seq_printf(s, ",seal"); + seq_puts(s, ",seal"); if (tcon->nocase) - seq_printf(s, ",nocase"); + seq_puts(s, ",nocase"); if (tcon->retry) - seq_printf(s, ",hard"); + seq_puts(s, ",hard"); if (tcon->unix_ext) - seq_printf(s, ",unix"); + seq_puts(s, ",unix"); else - seq_printf(s, ",nounix"); + seq_puts(s, ",nounix"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) - seq_printf(s, ",posixpaths"); + seq_puts(s, ",posixpaths"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) - seq_printf(s, ",setuids"); + seq_puts(s, ",setuids"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) - seq_printf(s, ",serverino"); + seq_puts(s, ",serverino"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD) - seq_printf(s, ",rwpidforward"); + seq_puts(s, ",rwpidforward"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) - seq_printf(s, ",forcemand"); + seq_puts(s, ",forcemand"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) - seq_printf(s, ",nouser_xattr"); + seq_puts(s, ",nouser_xattr"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR) - seq_printf(s, ",mapchars"); + seq_puts(s, ",mapchars"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) - seq_printf(s, ",sfu"); + seq_puts(s, ",sfu"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) - seq_printf(s, ",nobrl"); + seq_puts(s, ",nobrl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) - seq_printf(s, ",cifsacl"); + seq_puts(s, ",cifsacl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) - seq_printf(s, ",dynperm"); + seq_puts(s, ",dynperm"); if (root->d_sb->s_flags & MS_POSIXACL) - seq_printf(s, ",acl"); + seq_puts(s, ",acl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) - seq_printf(s, ",mfsymlinks"); + seq_puts(s, ",mfsymlinks"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_FSCACHE) - seq_printf(s, ",fsc"); + seq_puts(s, ",fsc"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC) - seq_printf(s, ",nostrictsync"); + seq_puts(s, ",nostrictsync"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) - seq_printf(s, ",noperm"); + seq_puts(s, ",noperm"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID) seq_printf(s, ",backupuid=%u", from_kuid_munged(&init_user_ns, @@ -733,8 +725,7 @@ out_nls: goto out; } -static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) { struct inode *inode = file_inode(iocb->ki_filp); struct cifsInodeInfo *cinode = CIFS_I(inode); @@ -745,14 +736,14 @@ static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov, if (written) return written; - written = generic_file_aio_write(iocb, iov, nr_segs, pos); + written = generic_file_write_iter(iocb, from); if (CIFS_CACHE_WRITE(CIFS_I(inode))) goto out; rc = filemap_fdatawrite(inode->i_mapping); if (rc) - cifs_dbg(FYI, "cifs_file_aio_write: %d rc on %p inode\n", + cifs_dbg(FYI, "cifs_file_write_iter: %d rc on %p inode\n", rc, inode); out: @@ -888,10 +879,10 @@ const struct inode_operations cifs_symlink_inode_ops = { }; const struct file_operations cifs_file_ops = { - .read = do_sync_read, - .write = do_sync_write, - .aio_read = generic_file_aio_read, - .aio_write = cifs_file_aio_write, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = generic_file_read_iter, + .write_iter = cifs_file_write_iter, .open = cifs_open, .release = cifs_close, .lock = cifs_lock, @@ -907,10 +898,10 @@ const struct file_operations cifs_file_ops = { }; const struct file_operations cifs_file_strict_ops = { - .read = do_sync_read, - .write = do_sync_write, - .aio_read = cifs_strict_readv, - .aio_write = cifs_strict_writev, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = cifs_strict_readv, + .write_iter = cifs_strict_writev, .open = cifs_open, .release = cifs_close, .lock = cifs_lock, @@ -927,10 +918,10 @@ const struct file_operations cifs_file_strict_ops = { const struct file_operations cifs_file_direct_ops = { /* BB reevaluate whether they can be done with directio, no cache */ - .read = do_sync_read, - .write = do_sync_write, - .aio_read = cifs_user_readv, - .aio_write = cifs_user_writev, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = cifs_user_readv, + .write_iter = cifs_user_writev, .open = cifs_open, .release = cifs_close, .lock = cifs_lock, @@ -946,10 +937,10 @@ const struct file_operations cifs_file_direct_ops = { }; const struct file_operations cifs_file_nobrl_ops = { - .read = do_sync_read, - .write = do_sync_write, - .aio_read = generic_file_aio_read, - .aio_write = cifs_file_aio_write, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = generic_file_read_iter, + .write_iter = cifs_file_write_iter, .open = cifs_open, .release = cifs_close, .fsync = cifs_fsync, @@ -964,10 +955,10 @@ const struct file_operations cifs_file_nobrl_ops = { }; const struct file_operations cifs_file_strict_nobrl_ops = { - .read = do_sync_read, - .write = do_sync_write, - .aio_read = cifs_strict_readv, - .aio_write = cifs_strict_writev, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = cifs_strict_readv, + .write_iter = cifs_strict_writev, .open = cifs_open, .release = cifs_close, .fsync = cifs_strict_fsync, @@ -983,10 +974,10 @@ const struct file_operations cifs_file_strict_nobrl_ops = { const struct file_operations cifs_file_direct_nobrl_ops = { /* BB reevaluate whether they can be done with directio, no cache */ - .read = do_sync_read, - .write = do_sync_write, - .aio_read = cifs_user_readv, - .aio_write = cifs_user_writev, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = cifs_user_readv, + .write_iter = cifs_user_writev, .open = cifs_open, .release = cifs_close, .fsync = cifs_fsync, @@ -1192,10 +1183,6 @@ init_cifs(void) spin_lock_init(&cifs_file_list_lock); spin_lock_init(&GlobalMid_Lock); -#ifdef CONFIG_CIFS_SMB2 - get_random_bytes(cifs_client_guid, SMB2_CLIENT_GUID_SIZE); -#endif - if (cifs_max_pending < 2) { cifs_max_pending = 2; cifs_dbg(FYI, "cifs_max_pending set to min of 2\n"); |