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ANDROID: vfs: Add permission2 for filesystems with per mount permissions

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This allows filesystems to use their mount private data to
influence the permssions they return in permission2. It has
been separated into a new call to avoid disrupting current
permission users.

Change-Id: I9d416e3b8b6eca84ef3e336bd2af89ddd51df6ca
Signed-off-by: Daniel Rosenberg <drosen@google.com>
This commit is contained in:
Daniel Rosenberg
2016-10-26 16:27:45 -07:00
committed by Dmitry Shmidt
parent 2757e9bdf4
commit bbcd0ffae5
10 changed files with 156 additions and 64 deletions
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2
security/inode.c
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@@ -100,7 +100,7 @@ struct dentry *securityfs_create_file(const char *name, umode_t mode,
dir = d_inode(parent);
inode_lock(dir);
dentry = lookup_one_len(name, parent, strlen(name));
dentry = lookup_one_len2(name, mount, parent, strlen(name));
if (IS_ERR(dentry))
goto out;