xiaomi-sm8450/android_kernel_xiaomi_sm8450
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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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6
fs/pstore/inode.c
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@@ -377,7 +377,7 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, int count,
break;
}
mutex_lock(&d_inode(root)->i_mutex);
inode_lock(d_inode(root));
dentry = d_alloc_name(root, name);
if (!dentry)
@@ -397,12 +397,12 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, int count,
list_add(&private->list, &allpstore);
spin_unlock_irqrestore(&allpstore_lock, flags);
mutex_unlock(&d_inode(root)->i_mutex);
inode_unlock(d_inode(root));
return 0;
fail_lockedalloc:
mutex_unlock(&d_inode(root)->i_mutex);
inode_unlock(d_inode(root));
kfree(private);
fail_alloc:
iput(inode);