The patch titled
make-static-counters-in-new_inode-and-iunique-be-32-bits comments
has been added to the -mm tree. Its filename is
make-static-counters-in-new_inode-and-iunique-be-32-bits-comments.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: make-static-counters-in-new_inode-and-iunique-be-32-bits comments
From: Jeff Layton <jlayton@xxxxxxxxxx>
mention that it's only the case for 32bit, non-LFS stat.
Cc: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/inode.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
diff -puN fs/inode.c~make-static-counters-in-new_inode-and-iunique-be-32-bits-comments fs/inode.c
--- a/fs/inode.c~make-static-counters-in-new_inode-and-iunique-be-32-bits-comments
+++ a/fs/inode.c
@@ -536,7 +536,11 @@ repeat:
*/
struct inode *new_inode(struct super_block *sb)
{
- /* 32 bits for compatability mode stat calls */
+ /*
+ * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW
+ * error if st_ino won't fit in target struct field. Use 32bit counter
+ * here to attempt to avoid that.
+ */
static unsigned int last_ino;
struct inode * inode;
@@ -696,7 +700,11 @@ static unsigned long hash(struct super_b
*/
ino_t iunique(struct super_block *sb, ino_t max_reserved)
{
- /* 32 bits for compatability mode stat calls */
+ /*
+ * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW
+ * error if st_ino won't fit in target struct field. Use 32bit counter
+ * here to attempt to avoid that.
+ */
static unsigned int counter;
struct inode *inode;
struct hlist_head *head;
_
Patches currently in -mm which might be from jlayton@xxxxxxxxxx are
make-iunique-use-a-do-while-loop-rather-than-its-obscure-goto-loop.patch
make-static-counters-in-new_inode-and-iunique-be-32-bits.patch
make-static-counters-in-new_inode-and-iunique-be-32-bits-comments.patch
change-libfs-sb-creation-routines-to-avoid-collisions-with-their-root-inodes.patch
-
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