diff options
Diffstat (limited to 'fs/9p/vfs_inode.c')
| -rw-r--r-- | fs/9p/vfs_inode.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index fb5e5c0e41e4..54dfe4f10f43 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -371,17 +371,23 @@ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev) */ void v9fs_evict_inode(struct inode *inode) { - struct v9fs_inode *v9inode = V9FS_I(inode); - __le32 version; + struct v9fs_inode __maybe_unused *v9inode = V9FS_I(inode); + __le32 __maybe_unused version; truncate_inode_pages_final(&inode->i_data); + +#ifdef CONFIG_9P_FSCACHE version = cpu_to_le32(v9inode->qid.version); fscache_clear_inode_writeback(v9fs_inode_cookie(v9inode), inode, &version); +#endif + clear_inode(inode); filemap_fdatawrite(&inode->i_data); +#ifdef CONFIG_9P_FSCACHE fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false); +#endif } static int v9fs_test_inode(struct inode *inode, void *data) @@ -761,7 +767,7 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, inode = NULL; else if (IS_ERR(fid)) inode = ERR_CAST(fid); - else if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) + else if (v9ses->cache & (CACHE_META|CACHE_LOOSE)) inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb); else inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); @@ -790,7 +796,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry, { int err; u32 perm; - struct v9fs_inode *v9inode; + struct v9fs_inode __maybe_unused *v9inode; struct v9fs_session_info *v9ses; struct p9_fid *fid; struct dentry *res = NULL; @@ -816,7 +822,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry, perm = unixmode2p9mode(v9ses, mode); p9_omode = v9fs_uflags2omode(flags, v9fs_proto_dotu(v9ses)); - if ((v9ses->cache >= CACHE_WRITEBACK) && (p9_omode & P9_OWRITE)) { + if ((v9ses->cache & CACHE_WRITEBACK) && (p9_omode & P9_OWRITE)) { p9_omode = (p9_omode & !P9_OWRITE) | P9_ORDWR; p9_debug(P9_DEBUG_CACHE, "write-only file with writeback enabled, creating w/ O_RDWR\n"); @@ -835,9 +841,11 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry, goto error; file->private_data = fid; - if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) +#ifdef CONFIG_9P_FSCACHE + if (v9ses->cache & CACHE_FSCACHE) fscache_use_cookie(v9fs_inode_cookie(v9inode), file->f_mode & FMODE_WRITE); +#endif v9fs_fid_add_modes(fid, v9ses->flags, v9ses->cache, file->f_flags); v9fs_open_fid_add(inode, &fid); @@ -1008,10 +1016,10 @@ v9fs_vfs_getattr(struct mnt_idmap *idmap, const struct path *path, p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); v9ses = v9fs_dentry2v9ses(dentry); - if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { + if (v9ses->cache & (CACHE_META|CACHE_LOOSE)) { generic_fillattr(&nop_mnt_idmap, inode, stat); return 0; - } else if (v9ses->cache >= CACHE_WRITEBACK) { + } else if (v9ses->cache & CACHE_WRITEBACK) { if (S_ISREG(inode->i_mode)) { int retval = filemap_fdatawrite(inode->i_mapping); @@ -1050,7 +1058,6 @@ static int v9fs_vfs_setattr(struct mnt_idmap *idmap, { int retval, use_dentry = 0; struct inode *inode = d_inode(dentry); - struct v9fs_inode *v9inode = V9FS_I(inode); struct v9fs_session_info *v9ses; struct p9_fid *fid = NULL; struct p9_wstat wstat; @@ -1115,8 +1122,13 @@ static int v9fs_vfs_setattr(struct mnt_idmap *idmap, truncate_setsize(inode, iattr->ia_size); truncate_pagecache(inode, iattr->ia_size); - if (v9ses->cache == CACHE_FSCACHE) +#ifdef CONFIG_9P_FSCACHE + if (v9ses->cache & CACHE_FSCACHE) { + struct v9fs_inode *v9inode = V9FS_I(inode); + fscache_resize_cookie(v9fs_inode_cookie(v9inode), iattr->ia_size); + } +#endif } v9fs_invalidate_inode_attr(inode); @@ -1400,7 +1412,7 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode) * We don't want to refresh inode->i_size, * because we may have cached data */ - flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ? + flags = (v9ses->cache & CACHE_LOOSE) ? V9FS_STAT2INODE_KEEP_ISIZE : 0; v9fs_stat2inode(st, inode, inode->i_sb, flags); out: |