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authorJeffle Xu <jefflexu@linux.alibaba.com>2021-11-25 15:05:28 +0800
committerMiklos Szeredi <mszeredi@redhat.com>2021-12-14 11:09:37 +0100
commit2ee019fadcca343c3deea6a1767965bdf23fc3d0 (patch)
treef167c77e4cef2465e4fcff4e2931abebfddabee4 /fs/fuse/dax.c
parent93a497b9ad695bb2f38a302c5b29dbc9b555ff3f (diff)
downloadlinux-2ee019fadcca343c3deea6a1767965bdf23fc3d0.tar.bz2
fuse: negotiate per inode DAX in FUSE_INIT
Among the FUSE_INIT phase, client shall advertise per inode DAX if it's mounted with "dax=inode". Then server is aware that client is in per inode DAX mode, and will construct per-inode DAX attribute accordingly. Server shall also advertise support for per inode DAX. If server doesn't support it while client is mounted with "dax=inode", client will silently fallback to "dax=never" since "dax=inode" is advisory only. Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> Reviewed-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/dax.c')
-rw-r--r--fs/fuse/dax.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index ff17bc7a0b6e..663270dc6e20 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1349,7 +1349,7 @@ static bool fuse_should_enable_dax(struct inode *inode, unsigned int flags)
return true;
/* dax_mode is FUSE_DAX_INODE* */
- return flags & FUSE_ATTR_DAX;
+ return fc->inode_dax && (flags & FUSE_ATTR_DAX);
}
void fuse_dax_inode_init(struct inode *inode, unsigned int flags)