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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 07/14] cifs: Share server EOF pos with netfslib From: David Howells To: linux-cachefs@redhat.com Cc: Steve French , Shyam Prasad N , Rohith Surabattula , linux-cifs@vger.kernel.org, dhowells@redhat.com, Steve French , Shyam Prasad N , Rohith Surabattula , Jeff Layton , linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Date: Thu, 07 Apr 2022 00:04:05 +0100 Message-ID: <164928624528.457102.12296775035063756098.stgit@warthog.procyon.org.uk> In-Reply-To: <164928615045.457102.10607899252434268982.stgit@warthog.procyon.org.uk> References: <164928615045.457102.10607899252434268982.stgit@warthog.procyon.org.uk> User-Agent: StGit/1.4 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 X-Stat-Signature: fb3x8w7hjnw3n1nyzjrceou5w516j4so Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=b2wbPgbt; spf=none (imf09.hostedemail.com: domain of dhowells@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A8265140004 X-HE-Tag: 1649286270-895104 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use cifsi->netfs_ctx.remote_i_size instead of cifsi->server_eof so that netfslib can refer to it to. Signed-off-by: David Howells cc: Steve French cc: Shyam Prasad N cc: Rohith Surabattula cc: linux-cifs@vger.kernel.org --- fs/cifs/cifsfs.c | 2 +- fs/cifs/cifsglob.h | 1 - fs/cifs/file.c | 8 ++++---- fs/cifs/inode.c | 6 +++--- fs/cifs/smb2ops.c | 10 ++++------ 5 files changed, 12 insertions(+), 15 deletions(-) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index b33f5eb3233c..d07cb28652f2 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -376,7 +376,7 @@ cifs_alloc_inode(struct super_block *sb) spin_lock_init(&cifs_inode->writers_lock); cifs_inode->writers = 0; cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ - cifs_inode->server_eof = 0; + cifs_inode->netfs_ctx.remote_i_size = 0; cifs_inode->uniqueid = 0; cifs_inode->createtime = 0; cifs_inode->epoch = 0; diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e7db00396391..49eb86ebbdfb 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1416,7 +1416,6 @@ struct cifsInodeInfo { spinlock_t writers_lock; unsigned int writers; /* Number of writers on this inode */ unsigned long time; /* jiffies of last update of inode */ - u64 server_eof; /* current file size on server -- protected by i_lock */ u64 uniqueid; /* server inode number */ u64 createtime; /* creation time on server */ __u8 lease_key[SMB2_LEASE_KEY_SIZE]; /* lease key for this inode */ diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 200280be064d..fcf92c25bc8f 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1913,8 +1913,8 @@ cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, { loff_t end_of_write = offset + bytes_written; - if (end_of_write > cifsi->server_eof) - cifsi->server_eof = end_of_write; + if (end_of_write > cifsi->netfs_ctx.remote_i_size) + cifsi->netfs_ctx.remote_i_size = end_of_write; } static ssize_t @@ -2862,8 +2862,8 @@ cifs_uncached_writev_complete(struct work_struct *work) spin_lock(&inode->i_lock); cifs_update_eof(cifsi, wdata->offset, wdata->bytes); - if (cifsi->server_eof > inode->i_size) - i_size_write(inode, cifsi->server_eof); + if (cifsi->netfs_ctx.remote_i_size > inode->i_size) + i_size_write(inode, cifsi->netfs_ctx.remote_i_size); spin_unlock(&inode->i_lock); complete(&wdata->done); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 40c6f04f7521..9ebb806c63d5 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -117,7 +117,7 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr) /* revalidate if mtime or size have changed */ fattr->cf_mtime = timestamp_truncate(fattr->cf_mtime, inode); if (timespec64_equal(&inode->i_mtime, &fattr->cf_mtime) && - cifs_i->server_eof == fattr->cf_eof) { + cifs_i->netfs_ctx.remote_i_size == fattr->cf_eof) { cifs_dbg(FYI, "%s: inode %llu is unchanged\n", __func__, cifs_i->uniqueid); return; @@ -206,7 +206,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) else clear_bit(CIFS_INO_DELETE_PENDING, &cifs_i->flags); - cifs_i->server_eof = fattr->cf_eof; + cifs_i->netfs_ctx.remote_i_size = fattr->cf_eof; /* * Can't safely change the file size here if the client is writing to * it due to potential races. @@ -2642,7 +2642,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs, set_size_out: if (rc == 0) { - cifsInode->server_eof = attrs->ia_size; + cifsInode->netfs_ctx.remote_i_size = attrs->ia_size; cifs_setsize(inode, attrs->ia_size); /* * i_blocks is not related to (i_size / i_blksize), but instead diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b0485706e07c..2caac8696100 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3833,7 +3833,7 @@ static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon, rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, cfile->fid.volatile_fid, cfile->pid, &eof); if (rc == 0) { - cifsi->server_eof = off + len; + cifsi->netfs_ctx.remote_i_size = off + len; cifs_setsize(inode, off + len); cifs_truncate_page(inode->i_mapping, inode->i_size); truncate_setsize(inode, off + len); @@ -3926,13 +3926,11 @@ static long smb3_collapse_range(struct file *file, struct cifs_tcon *tcon, unsigned int xid; struct inode *inode; struct cifsFileInfo *cfile = file->private_data; - struct cifsInodeInfo *cifsi; __le64 eof; xid = get_xid(); inode = d_inode(cfile->dentry); - cifsi = CIFS_I(inode); if (off >= i_size_read(inode) || off + len >= i_size_read(inode)) { @@ -3953,9 +3951,9 @@ static long smb3_collapse_range(struct file *file, struct cifs_tcon *tcon, rc = 0; - cifsi->server_eof = i_size_read(inode) - len; - truncate_setsize(inode, cifsi->server_eof); - fscache_resize_cookie(cifs_inode_cookie(inode), cifsi->server_eof); + netfs_resize_file(inode, eof); + truncate_setsize(inode, eof); + fscache_resize_cookie(cifs_inode_cookie(inode), eof); out: free_xid(xid); return rc;