diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 1a135d1b85bd..5492b9860baa 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -119,6 +119,7 @@ extern mempool_t *cifs_mid_poolp; struct workqueue_struct *cifsiod_wq; struct workqueue_struct *decrypt_wq; +struct workqueue_struct *fileinfo_put_wq; struct workqueue_struct *cifsoplockd_wq; __u32 cifs_lock_secret; @@ -613,6 +614,10 @@ cifs_show_options(struct seq_file *s, struct dentry *root) /* convert actimeo and display it in seconds */ seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ); + if (tcon->ses->chan_max > 1) + seq_printf(s, ",multichannel,max_channel=%zu", + tcon->ses->chan_max); + return 0; } @@ -725,11 +730,6 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) struct inode *dir = d_inode(dentry); struct dentry *child; - if (!dir) { - dput(dentry); - dentry = ERR_PTR(-ENOENT); - break; - } if (!S_ISDIR(dir->i_mode)) { dput(dentry); dentry = ERR_PTR(-ENOTDIR); @@ -746,7 +746,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) while (*s && *s != sep) s++; - child = lookup_one_len_unlocked(p, dentry, s - p); + child = lookup_positive_unlocked(p, dentry, s - p); dput(dentry); dentry = child; } while (!IS_ERR(dentry)); @@ -1219,6 +1219,7 @@ const struct file_operations cifs_file_ops = { .open = cifs_open, .release = cifs_close, .lock = cifs_lock, + .flock = cifs_flock, .fsync = cifs_fsync, .flush = cifs_flush, .mmap = cifs_file_mmap, @@ -1238,6 +1239,7 @@ const struct file_operations cifs_file_strict_ops = { .open = cifs_open, .release = cifs_close, .lock = cifs_lock, + .flock = cifs_flock, .fsync = cifs_strict_fsync, .flush = cifs_flush, .mmap = cifs_file_strict_mmap, @@ -1257,6 +1259,7 @@ const struct file_operations cifs_file_direct_ops = { .open = cifs_open, .release = cifs_close, .lock = cifs_lock, + .flock = cifs_flock, .fsync = cifs_fsync, .flush = cifs_flush, .mmap = cifs_file_mmap, @@ -1543,7 +1546,7 @@ init_cifs(void) /* * Consider in future setting limit!=0 maybe to min(num_of_cores - 1, 3) * so that we don't launch too many worker threads but - * Documentation/workqueue.txt recommends setting it to 0 + * Documentation/core-api/workqueue.rst recommends setting it to 0 */ /* WQ_UNBOUND allows decrypt tasks to run on any CPU */ @@ -1554,11 +1557,18 @@ init_cifs(void) goto out_destroy_cifsiod_wq; } + fileinfo_put_wq = alloc_workqueue("cifsfileinfoput", + WQ_UNBOUND|WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); + if (!fileinfo_put_wq) { + rc = -ENOMEM; + goto out_destroy_decrypt_wq; + } + cifsoplockd_wq = alloc_workqueue("cifsoplockd", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); if (!cifsoplockd_wq) { rc = -ENOMEM; - goto out_destroy_decrypt_wq; + goto out_destroy_fileinfo_put_wq; } rc = cifs_fscache_register(); @@ -1624,6 +1634,8 @@ out_unreg_fscache: cifs_fscache_unregister(); out_destroy_cifsoplockd_wq: destroy_workqueue(cifsoplockd_wq); +out_destroy_fileinfo_put_wq: + destroy_workqueue(fileinfo_put_wq); out_destroy_decrypt_wq: destroy_workqueue(decrypt_wq); out_destroy_cifsiod_wq: @@ -1653,6 +1665,7 @@ exit_cifs(void) cifs_fscache_unregister(); destroy_workqueue(cifsoplockd_wq); destroy_workqueue(decrypt_wq); + destroy_workqueue(fileinfo_put_wq); destroy_workqueue(cifsiod_wq); cifs_proc_clean(); } @@ -1663,17 +1676,17 @@ MODULE_DESCRIPTION ("VFS to access SMB3 servers e.g. Samba, Macs, Azure and Windows (and " "also older servers complying with the SNIA CIFS Specification)"); MODULE_VERSION(CIFS_VERSION); -MODULE_SOFTDEP("pre: ecb"); -MODULE_SOFTDEP("pre: hmac"); -MODULE_SOFTDEP("pre: md4"); -MODULE_SOFTDEP("pre: md5"); -MODULE_SOFTDEP("pre: nls"); -MODULE_SOFTDEP("pre: aes"); -MODULE_SOFTDEP("pre: cmac"); -MODULE_SOFTDEP("pre: sha256"); -MODULE_SOFTDEP("pre: sha512"); -MODULE_SOFTDEP("pre: aead2"); -MODULE_SOFTDEP("pre: ccm"); -MODULE_SOFTDEP("pre: gcm"); +MODULE_SOFTDEP("ecb"); +MODULE_SOFTDEP("hmac"); +MODULE_SOFTDEP("md4"); +MODULE_SOFTDEP("md5"); +MODULE_SOFTDEP("nls"); +MODULE_SOFTDEP("aes"); +MODULE_SOFTDEP("cmac"); +MODULE_SOFTDEP("sha256"); +MODULE_SOFTDEP("sha512"); +MODULE_SOFTDEP("aead2"); +MODULE_SOFTDEP("ccm"); +MODULE_SOFTDEP("gcm"); module_init(init_cifs) module_exit(exit_cifs) |