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authorDmitry Monakhov <dmonakhov@openvz.org>2009-12-14 15:21:12 +0300
committerJan Kara <jack@suse.cz>2009-12-23 15:33:54 +0300
commitb462707e7ccad058ae151e5c5b06eb5cadcb737f (patch)
treeea518c8eed963989c94fa5e555e1aeb3bb08143b /fs
parentc459001fa4f71deafb62e00fa70d35f695498965 (diff)
downloadlinux-b462707e7ccad058ae151e5c5b06eb5cadcb737f.tar.xz
Add unlocked version of inode_add_bytes() function
Quota code requires unlocked version of this function. Off course we can just copy-paste the code, but copy-pasting is always an evil. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs')
-rw-r--r--fs/stat.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/stat.c b/fs/stat.c
index 075694e31d8b..c4ecd52c5737 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -401,9 +401,9 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, char __user *, filename,
}
#endif /* __ARCH_WANT_STAT64 */
-void inode_add_bytes(struct inode *inode, loff_t bytes)
+/* Caller is here responsible for sufficient locking (ie. inode->i_lock) */
+void __inode_add_bytes(struct inode *inode, loff_t bytes)
{
- spin_lock(&inode->i_lock);
inode->i_blocks += bytes >> 9;
bytes &= 511;
inode->i_bytes += bytes;
@@ -411,6 +411,12 @@ void inode_add_bytes(struct inode *inode, loff_t bytes)
inode->i_blocks++;
inode->i_bytes -= 512;
}
+}
+
+void inode_add_bytes(struct inode *inode, loff_t bytes)
+{
+ spin_lock(&inode->i_lock);
+ __inode_add_bytes(inode, bytes);
spin_unlock(&inode->i_lock);
}