A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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locks: break delegations on any attribute modification

Browse source 
NFSv4 uses leases to guarantee that clients can cache metadata as well
as data.

Cc: Mikulas Patocka <[email protected]>
Cc: David Howells <[email protected]>
Cc: Tyler Hicks <[email protected]>
Cc: Dustin Kirkland <[email protected]>
Acked-by: Jeff Layton <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
J. Bruce Fields 2011-09-20 17:19:26 -04:00 • committed by Al Viro
commit 27ac0ffeac
10 changed files with 69 additions and 17 deletions
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4
fs/ecryptfs/inode.c
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@ -882,7 +882,7 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
mutex_lock(&lower_dentry->d_inode->i_mutex);
rc = notify_change(lower_dentry, &lower_ia);
rc = notify_change(lower_dentry, &lower_ia, NULL);
mutex_unlock(&lower_dentry->d_inode->i_mutex);
}
return rc;
@ -983,7 +983,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
lower_ia.ia_valid &= ~ATTR_MODE;
mutex_lock(&lower_dentry->d_inode->i_mutex);
rc = notify_change(lower_dentry, &lower_ia);
rc = notify_change(lower_dentry, &lower_ia, NULL);
mutex_unlock(&lower_dentry->d_inode->i_mutex);
out:
fsstack_copy_attr_all(inode, lower_inode);