| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1203217048358-git-send-email-ezk@cs.sunysb.edu>
Date: Sat, 16 Feb 2008 21:57:13 -0500
From: Erez Zadok <ezk@...sunysb.edu>
To: akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
viro@....linux.org.uk, hch@...radead.org,
Erez Zadok <ezk@...sunysb.edu>, Hugh Dickins <hugh@...itas.com>
Subject: [PATCH 04/17] Unionfs: uninline unionfs_copy_attr_times and unionfs_copy_attr_all
This reduces text size by about 6k.
Cc: Hugh Dickins <hugh@...itas.com>
Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
---
fs/unionfs/fanout.h | 50 --------------------------------------------------
fs/unionfs/subr.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
fs/unionfs/union.h | 2 ++
3 files changed, 52 insertions(+), 50 deletions(-)
diff --git a/fs/unionfs/fanout.h b/fs/unionfs/fanout.h
index 4d9a45f..29d42fb 100644
--- a/fs/unionfs/fanout.h
+++ b/fs/unionfs/fanout.h
@@ -313,54 +313,4 @@ static inline void verify_locked(struct dentry *d)
BUG_ON(!mutex_is_locked(&UNIONFS_D(d)->lock));
}
-/* copy a/m/ctime from the lower branch with the newest times */
-static inline void unionfs_copy_attr_times(struct inode *upper)
-{
- int bindex;
- struct inode *lower;
-
- if (!upper || ibstart(upper) < 0)
- return;
- for (bindex = ibstart(upper); bindex <= ibend(upper); bindex++) {
- lower = unionfs_lower_inode_idx(upper, bindex);
- if (!lower)
- continue; /* not all lower dir objects may exist */
- if (unlikely(timespec_compare(&upper->i_mtime,
- &lower->i_mtime) < 0))
- upper->i_mtime = lower->i_mtime;
- if (unlikely(timespec_compare(&upper->i_ctime,
- &lower->i_ctime) < 0))
- upper->i_ctime = lower->i_ctime;
- if (unlikely(timespec_compare(&upper->i_atime,
- &lower->i_atime) < 0))
- upper->i_atime = lower->i_atime;
- }
-}
-
-/*
- * A unionfs/fanout version of fsstack_copy_attr_all. Uses a
- * unionfs_get_nlinks to properly calcluate the number of links to a file.
- * Also, copies the max() of all a/m/ctimes for all lower inodes (which is
- * important if the lower inode is a directory type)
- */
-static inline void unionfs_copy_attr_all(struct inode *dest,
- const struct inode *src)
-{
- dest->i_mode = src->i_mode;
- dest->i_uid = src->i_uid;
- dest->i_gid = src->i_gid;
- dest->i_rdev = src->i_rdev;
-
- unionfs_copy_attr_times(dest);
-
- dest->i_blkbits = src->i_blkbits;
- dest->i_flags = src->i_flags;
-
- /*
- * Update the nlinks AFTER updating the above fields, because the
- * get_links callback may depend on them.
- */
- dest->i_nlink = unionfs_get_nlinks(dest);
-}
-
#endif /* not _FANOUT_H */
diff --git a/fs/unionfs/subr.c b/fs/unionfs/subr.c
index 0a0fce9..68a6280 100644
--- a/fs/unionfs/subr.c
+++ b/fs/unionfs/subr.c
@@ -240,3 +240,53 @@ char *alloc_whname(const char *name, int len)
return buf;
}
+
+/* copy a/m/ctime from the lower branch with the newest times */
+void unionfs_copy_attr_times(struct inode *upper)
+{
+ int bindex;
+ struct inode *lower;
+
+ if (!upper || ibstart(upper) < 0)
+ return;
+ for (bindex = ibstart(upper); bindex <= ibend(upper); bindex++) {
+ lower = unionfs_lower_inode_idx(upper, bindex);
+ if (!lower)
+ continue; /* not all lower dir objects may exist */
+ if (unlikely(timespec_compare(&upper->i_mtime,
+ &lower->i_mtime) < 0))
+ upper->i_mtime = lower->i_mtime;
+ if (unlikely(timespec_compare(&upper->i_ctime,
+ &lower->i_ctime) < 0))
+ upper->i_ctime = lower->i_ctime;
+ if (unlikely(timespec_compare(&upper->i_atime,
+ &lower->i_atime) < 0))
+ upper->i_atime = lower->i_atime;
+ }
+}
+
+/*
+ * A unionfs/fanout version of fsstack_copy_attr_all. Uses a
+ * unionfs_get_nlinks to properly calcluate the number of links to a file.
+ * Also, copies the max() of all a/m/ctimes for all lower inodes (which is
+ * important if the lower inode is a directory type)
+ */
+void unionfs_copy_attr_all(struct inode *dest,
+ const struct inode *src)
+{
+ dest->i_mode = src->i_mode;
+ dest->i_uid = src->i_uid;
+ dest->i_gid = src->i_gid;
+ dest->i_rdev = src->i_rdev;
+
+ unionfs_copy_attr_times(dest);
+
+ dest->i_blkbits = src->i_blkbits;
+ dest->i_flags = src->i_flags;
+
+ /*
+ * Update the nlinks AFTER updating the above fields, because the
+ * get_links callback may depend on them.
+ */
+ dest->i_nlink = unionfs_get_nlinks(dest);
+}
diff --git a/fs/unionfs/union.h b/fs/unionfs/union.h
index 786c4be..0e0ccde 100644
--- a/fs/unionfs/union.h
+++ b/fs/unionfs/union.h
@@ -199,6 +199,8 @@ struct unionfs_dir_state {
/* externs needed for fanout.h or sioq.h */
extern int unionfs_get_nlinks(const struct inode *inode);
+extern void unionfs_copy_attr_times(struct inode *upper);
+extern void unionfs_copy_attr_all(struct inode *dest, const struct inode *src);
/* include miscellaneous macros */
#include "fanout.h"
--
1.5.2.2
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists