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cifs: move [brw]size from cifs_sb to cifs_sb->ctx

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Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Ronnie Sahlberg 2020-12-14 16:40:17 +10:00 committed by Steve French
parent c741cba2cd
commit 522aa3b575
9 changed files with 31 additions and 28 deletions
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3
fs/cifs/cifs_fs_sb.h
View File

@ -62,9 +62,6 @@ struct cifs_sb_info {
struct tcon_link *master_tlink;
struct nls_table *local_nls;
struct smb3_fs_context *ctx;
unsigned int bsize;
unsigned int rsize;
unsigned int wsize;
atomic_t active;
unsigned int mnt_cifs_flags;
struct delayed_work prune_tlinks;

11
fs/cifs/cifsfs.c
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@ -218,7 +218,7 @@ cifs_read_super(struct super_block *sb)
if (rc)
goto out_no_root;
/* tune readahead according to rsize */
sb->s_bdi->ra_pages = cifs_sb->rsize / PAGE_SIZE;
sb->s_bdi->ra_pages = cifs_sb->ctx->rsize / PAGE_SIZE;
sb->s_blocksize = CIFS_MAX_MSGSIZE;
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
@ -615,9 +615,12 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
from_kgid_munged(&init_user_ns,
cifs_sb->ctx->backupgid));
seq_printf(s, ",rsize=%u", cifs_sb->rsize);
seq_printf(s, ",wsize=%u", cifs_sb->wsize);
seq_printf(s, ",bsize=%u", cifs_sb->bsize);
if (cifs_sb->ctx->got_rsize)
seq_printf(s, ",rsize=%u", cifs_sb->ctx->rsize);
if (cifs_sb->ctx->got_wsize)
seq_printf(s, ",wsize=%u", cifs_sb->ctx->wsize);
if (cifs_sb->ctx->got_bsize)
seq_printf(s, ",bsize=%u", cifs_sb->ctx->bsize);
if (tcon->ses->server->min_offload)
seq_printf(s, ",esize=%u", tcon->ses->server->min_offload);
seq_printf(s, ",echo_interval=%lu",

21
fs/cifs/connect.c
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@ -2248,10 +2248,10 @@ compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data)
* We want to share sb only if we don't specify an r/wsize or
* specified r/wsize is greater than or equal to existing one.
*/
if (new->wsize && new->wsize < old->wsize)
if (new->ctx->wsize && new->ctx->wsize < old->ctx->wsize)
return 0;
if (new->rsize && new->rsize < old->rsize)
if (new->ctx->rsize && new->ctx->rsize < old->ctx->rsize)
return 0;
if (!uid_eq(old->ctx->linux_uid, new->ctx->linux_uid) ||
@ -2714,14 +2714,6 @@ int cifs_setup_cifs_sb(struct smb3_fs_context *ctx,
spin_lock_init(&cifs_sb->tlink_tree_lock);
cifs_sb->tlink_tree = RB_ROOT;
cifs_sb->bsize = ctx->bsize;
/*
* Temporarily set r/wsize for matching superblock. If we end up using
* new sb then client will later negotiate it downward if needed.
*/
cifs_sb->rsize = ctx->rsize;
cifs_sb->wsize = ctx->wsize;
cifs_dbg(FYI, "file mode: %04ho dir mode: %04ho\n",
cifs_sb->ctx->file_mode, cifs_sb->ctx->dir_mode);
@ -2925,8 +2917,13 @@ static int mount_get_conns(struct smb3_fs_context *ctx, struct cifs_sb_info *cif
}
}
cifs_sb->wsize = server->ops->negotiate_wsize(tcon, ctx);
cifs_sb->rsize = server->ops->negotiate_rsize(tcon, ctx);
/*
* Clamp the rsize/wsize mount arguments if they are too big for the server
*/
if (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))
cifs_sb->ctx->wsize = server->ops->negotiate_wsize(tcon, ctx);
if (cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx))
cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx);
return 0;
}

12
fs/cifs/file.c
View File

@ -2336,7 +2336,7 @@ static int cifs_writepages(struct address_space *mapping,
* If wsize is smaller than the page cache size, default to writing
* one page at a time via cifs_writepage
*/
if (cifs_sb->wsize < PAGE_SIZE)
if (cifs_sb->ctx->wsize < PAGE_SIZE)
return generic_writepages(mapping, wbc);
xid = get_xid();
@ -2369,7 +2369,7 @@ retry:
if (rc)
get_file_rc = rc;
rc = server->ops->wait_mtu_credits(server, cifs_sb->wsize,
rc = server->ops->wait_mtu_credits(server, cifs_sb->ctx->wsize,
&wsize, credits);
if (rc != 0) {
done = true;
@ -2911,7 +2911,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from,
break;
}
rc = server->ops->wait_mtu_credits(server, cifs_sb->wsize,
rc = server->ops->wait_mtu_credits(server, cifs_sb->ctx->wsize,
&wsize, credits);
if (rc)
break;
@ -3642,7 +3642,7 @@ cifs_send_async_read(loff_t offset, size_t len, struct cifsFileInfo *open_file,
break;
}
rc = server->ops->wait_mtu_credits(server, cifs_sb->rsize,
rc = server->ops->wait_mtu_credits(server, cifs_sb->ctx->rsize,
&rsize, credits);
if (rc)
break;
@ -4028,7 +4028,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset)
cifs_sb = CIFS_FILE_SB(file);
/* FIXME: set up handlers for larger reads and/or convert to async */
rsize = min_t(unsigned int, cifs_sb->rsize, CIFSMaxBufSize);
rsize = min_t(unsigned int, cifs_sb->ctx->rsize, CIFSMaxBufSize);
if (file->private_data == NULL) {
rc = -EBADF;
@ -4413,7 +4413,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
break;
}
rc = server->ops->wait_mtu_credits(server, cifs_sb->rsize,
rc = server->ops->wait_mtu_credits(server, cifs_sb->ctx->rsize,
&rsize, credits);
if (rc)
break;

3
fs/cifs/fs_context.c
View File

@ -784,12 +784,15 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
goto cifs_parse_mount_err;
}
ctx->bsize = result.uint_32;
ctx->got_bsize = true;
break;
case Opt_rsize:
ctx->rsize = result.uint_32;
ctx->got_rsize = true;
break;
case Opt_wsize:
ctx->wsize = result.uint_32;
ctx->got_wsize = true;
break;
case Opt_actimeo:
ctx->actimeo = HZ * result.uint_32;

3
fs/cifs/fs_context.h
View File

@ -152,6 +152,9 @@ struct smb3_fs_context {
char *nodename;
bool got_ip;
bool got_version;
bool got_rsize;
bool got_wsize;
bool got_bsize;
unsigned short port;
char *username;

2
fs/cifs/inode.c
View File

@ -2409,7 +2409,7 @@ int cifs_getattr(const struct path *path, struct kstat *stat,
}
generic_fillattr(inode, stat);
stat->blksize = cifs_sb->bsize;
stat->blksize = cifs_sb->ctx->bsize;
stat->ino = CIFS_I(inode)->uniqueid;
/* old CIFS Unix Extensions doesn't return create time */

2
fs/cifs/smb1ops.c
View File

@ -1006,7 +1006,7 @@ cifs_is_read_op(__u32 oplock)
static unsigned int
cifs_wp_retry_size(struct inode *inode)
{
return CIFS_SB(inode->i_sb)->wsize;
return CIFS_SB(inode->i_sb)->ctx->wsize;
}
static bool

2
fs/cifs/smb2ops.c
View File

@ -3951,7 +3951,7 @@ smb3_parse_lease_buf(void *buf, unsigned int *epoch, char *lease_key)
static unsigned int
smb2_wp_retry_size(struct inode *inode)
{
return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize,
return min_t(unsigned int, CIFS_SB(inode->i_sb)->ctx->wsize,
SMB2_MAX_BUFFER_SIZE);
}