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wrappers for ->i_mutex access

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parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-01-22 15:40:57 -05:00
parent 57b8f112cf
commit 5955102c99
177 changed files with 908 additions and 883 deletions
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8
security/integrity/ima/ima_main.c
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@@ -121,7 +121,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint,
if (!(mode & FMODE_WRITE))
return;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
if (atomic_read(&inode->i_writecount) == 1) {
if ((iint->version != inode->i_version) ||
(iint->flags & IMA_NEW_FILE)) {
@@ -130,7 +130,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint,
ima_update_xattr(iint, file);
}
}
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
}
/**
@@ -186,7 +186,7 @@ static int process_measurement(struct file *file, int mask, int function,
if (action & IMA_FILE_APPRAISE)
function = FILE_CHECK;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
if (action) {
iint = integrity_inode_get(inode);
@@ -250,7 +250,7 @@ out_free:
if (pathbuf)
__putname(pathbuf);
out:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
if ((rc && must_appraise) && (ima_appraise & IMA_APPRAISE_ENFORCE))
return -EACCES;
return 0;