VFS: Make pathwalk use d_is_reg() rather than S_ISREG()
Make pathwalk use d_is_reg() rather than S_ISREG() to determine whether to honour O_TRUNC. Since this occurs after complete_walk(), the dentry type field cannot change and the inode pointer cannot change as we hold a ref on the dentry, so this should be safe. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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