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Commit 730e908f authored by Al Viro's avatar Al Viro
Browse files

nilfs2_permission() doesn't need to bail out in RCU mode 



Nothing blocking except for generic_permission().  Which will DTRT.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent a63ab94d

fs/nilfs2/inode.c

+1 −6
Original line number Diff line number Diff line
@@ -801,12 +801,7 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr) 


int nilfs_permission(struct inode *inode, int mask, unsigned int flags)

{

	struct nilfs_root *root;



	if (flags & IPERM_FLAG_RCU)

		return -ECHILD;



	root = NILFS_I(inode)->i_root;

	struct nilfs_root *root = NILFS_I(inode)->i_root;

	if ((mask & MAY_WRITE) && root &&

	    root->cno != NILFS_CPTREE_CURRENT_CNO)

		return -EROFS; /* snapshot is not writable */