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ANDROID: sdcardfs: Call lower fs's revalidate

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We should be calling the lower filesystem's revalidate
inside of sdcardfs's revalidate, as wrapfs does.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 35766959
Change-Id: I939d1c4192fafc1e21678aeab43fe3d588b8e2f4
This commit is contained in:
Daniel Rosenberg 2017-04-24 19:49:02 -07:00 committed by Amit Pundir
parent 1e952e48ac
commit 89c1317b62
1 changed files with 8 additions and 0 deletions
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8
fs/sdcardfs/dentry.c
View file

@ -60,6 +60,14 @@ static int sdcardfs_d_revalidate(struct dentry *dentry, unsigned int flags)
lower_dentry = lower_path.dentry;
lower_cur_parent_dentry = dget_parent(lower_dentry);
if ((lower_dentry->d_flags & DCACHE_OP_REVALIDATE)) {
err = lower_dentry->d_op->d_revalidate(lower_dentry, flags);
if (err == 0) {
d_drop(dentry);
goto out;
}
}
spin_lock(&lower_dentry->d_lock);
if (d_unhashed(lower_dentry)) {
spin_unlock(&lower_dentry->d_lock);