From: John Groves <[email protected]> Virtio_fs now needs to determine if an inode is DAX && not famfs. This replaces the FUSE_IS_DAX() macro with FUSE_IS_VIRTIO_DAX(), in preparation for famfs in later commits. The dummy fuse_file_famfs() macro will be replaced with a working function.
Reviewed-by: Joanne Koong <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Signed-off-by: John Groves <[email protected]> --- fs/fuse/dir.c | 2 +- fs/fuse/file.c | 16 ++++++++++------ fs/fuse/fuse_i.h | 9 ++++++++- fs/fuse/inode.c | 4 ++-- fs/fuse/iomode.c | 2 +- 5 files changed, 22 insertions(+), 11 deletions(-) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 0e2a1039fa43..850d624c2eee 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -2157,7 +2157,7 @@ int fuse_do_setattr(struct mnt_idmap *idmap, struct dentry *dentry, is_truncate = true; } - if (FUSE_IS_DAX(inode) && is_truncate) { + if (FUSE_IS_VIRTIO_DAX(fi) && is_truncate) { filemap_invalidate_lock(mapping); fault_blocked = true; err = fuse_dax_break_layouts(inode, 0, -1); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index ceada75310b8..995e37c935c6 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -115,11 +115,12 @@ static void fuse_file_put(struct fuse_file *ff, bool sync) fuse_simple_request(ff->fm, args); fuse_release_end(args, 0); } else { + struct fuse_inode *fi = get_fuse_inode(ra->inode); /* * DAX inodes may need to issue a number of synchronous * request for clearing the mappings. */ - if (ra && ra->inode && FUSE_IS_DAX(ra->inode)) + if (ra && ra->inode && FUSE_IS_VIRTIO_DAX(fi)) args->may_block = true; args->end = fuse_release_end; if (fuse_simple_background(ff->fm, args, @@ -256,7 +257,7 @@ static int fuse_open(struct inode *inode, struct file *file) int err; bool is_truncate = (file->f_flags & O_TRUNC) && fc->atomic_o_trunc; bool is_wb_truncate = is_truncate && fc->writeback_cache; - bool dax_truncate = is_truncate && FUSE_IS_DAX(inode); + bool dax_truncate = is_truncate && FUSE_IS_VIRTIO_DAX(fi); if (fuse_is_bad(inode)) return -EIO; @@ -1839,11 +1840,12 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to) struct file *file = iocb->ki_filp; struct fuse_file *ff = file->private_data; struct inode *inode = file_inode(file); + struct fuse_inode *fi = get_fuse_inode(inode); if (fuse_is_bad(inode)) return -EIO; - if (FUSE_IS_DAX(inode)) + if (FUSE_IS_VIRTIO_DAX(fi)) return fuse_dax_read_iter(iocb, to); /* FOPEN_DIRECT_IO overrides FOPEN_PASSTHROUGH */ @@ -1860,11 +1862,12 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from) struct file *file = iocb->ki_filp; struct fuse_file *ff = file->private_data; struct inode *inode = file_inode(file); + struct fuse_inode *fi = get_fuse_inode(inode); if (fuse_is_bad(inode)) return -EIO; - if (FUSE_IS_DAX(inode)) + if (FUSE_IS_VIRTIO_DAX(fi)) return fuse_dax_write_iter(iocb, from); /* FOPEN_DIRECT_IO overrides FOPEN_PASSTHROUGH */ @@ -2399,10 +2402,11 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma) struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fm->fc; struct inode *inode = file_inode(file); + struct fuse_inode *fi = get_fuse_inode(inode); int rc; /* DAX mmap is superior to direct_io mmap */ - if (FUSE_IS_DAX(inode)) + if (FUSE_IS_VIRTIO_DAX(fi)) return fuse_dax_mmap(file, vma); /* @@ -2852,7 +2856,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, .mode = mode }; int err; - bool block_faults = FUSE_IS_DAX(inode) && + bool block_faults = FUSE_IS_VIRTIO_DAX(fi) && (!(mode & FALLOC_FL_KEEP_SIZE) || (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_ZERO_RANGE))); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 85f738c53122..f450194e877f 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -1215,7 +1215,14 @@ void fuse_free_conn(struct fuse_conn *fc); /* dax.c */ -#define FUSE_IS_DAX(inode) (IS_ENABLED(CONFIG_FUSE_DAX) && IS_DAX(inode)) +static inline bool fuse_file_famfs(struct fuse_inode *fuse_inode) /* Will be superseded */ +{ + (void)fuse_inode; + return false; +} +#define FUSE_IS_VIRTIO_DAX(fuse_inode) (IS_ENABLED(CONFIG_FUSE_DAX) \ + && IS_DAX(&(fuse_inode)->inode) \ + && !fuse_file_famfs(fuse_inode)) ssize_t fuse_dax_read_iter(struct kiocb *iocb, struct iov_iter *to); ssize_t fuse_dax_write_iter(struct kiocb *iocb, struct iov_iter *from); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d975073c6029..77c21b28b6fa 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -148,7 +148,7 @@ static void fuse_evict_inode(struct inode *inode) /* Will write inode on close/munmap and in all other dirtiers */ WARN_ON(inode_state_read_once(inode) & I_DIRTY_INODE); - if (FUSE_IS_DAX(inode)) + if (FUSE_IS_VIRTIO_DAX(fi)) dax_break_layout_final(inode); truncate_inode_pages_final(&inode->i_data); @@ -156,7 +156,7 @@ static void fuse_evict_inode(struct inode *inode) if (inode->i_sb->s_flags & SB_ACTIVE) { struct fuse_conn *fc = get_fuse_conn(inode); - if (FUSE_IS_DAX(inode)) + if (FUSE_IS_VIRTIO_DAX(fi)) fuse_dax_inode_cleanup(inode); if (fi->nlookup) { fuse_chan_queue_forget(fc->chan, fi->forget, fi->nodeid, diff --git a/fs/fuse/iomode.c b/fs/fuse/iomode.c index 3728933188f3..31ee7f3304c6 100644 --- a/fs/fuse/iomode.c +++ b/fs/fuse/iomode.c @@ -203,7 +203,7 @@ int fuse_file_io_open(struct file *file, struct inode *inode) * io modes are not relevant with DAX and with server that does not * implement open. */ - if (FUSE_IS_DAX(inode) || !ff->args) + if (FUSE_IS_VIRTIO_DAX(fi) || !ff->args) return 0; /* -- 2.53.0

