Source of inode.c - linux-imx - PHYTEC BitBucket (Stash)

Ignore whitespace
Show whitespace characters
Hide e-diff
Unified diff
Side-by-side diff
Source viewDiff to previous
 
 * of caution.
 *
 * In the long run, i_mutex is overkill, and we should probably look
 * at using the i_lock spinlock to protect i_flags, and then make sure
 * it is so documented in include/linux/fs.h and that all code follows
 * the locking convention!!
 */
void inode_set_flags(struct inode *inode, unsigned int flags,
             unsigned int mask)
{
    unsigned int old_flags, new_flags;
​
    WARN_ON_ONCE(flags & ~mask);
    do {
        old_flags = READ_ONCE(inode->i_flags);
        new_flags = (old_flags & ~mask) | flags;
    } while (unlikely(cmpxchg(&inode->i_flags, old_flags,
                  new_flags) != old_flags));
    set_mask_bits(&inode->i_flags, mask, flags);
}
EXPORT_SYMBOL(inode_set_flags);
​
void inode_nohighmem(struct inode *inode)
{
    mapping_set_gfp_mask(inode->i_mapping, GFP_USER);
}
EXPORT_SYMBOL(inode_nohighmem);
​
/**