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[PATCH] cifs: Fix caching problem

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pointed out by Dave Stahl and Vince Negri in which cifs can update the
last modify time on a server modified file without invalidating the
local cached data due to an intervening readdir. 

Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Steve French
2005-04-28 22:41:08 -07:00
committed by Linus Torvalds
parent 433dc24f24
commit 966ca92347
5 changed files with 83 additions and 25 deletions
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fs/cifs/AUTHORS
+15 -9
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@@ -4,13 +4,16 @@ Steve French (sfrench@samba.org)
The author wishes to express his appreciation and thanks to:
Andrew Tridgell (Samba team) for his early suggestions about smb/cifs VFS
improvements. Thanks to IBM for allowing me the time and test resources to pursue
this project. Jim McDonough from IBM (and the Samba Team) for his help.
The IBM Linux JFS team for explaining many esoteric Linux filesystem features.
improvements. Thanks to IBM for allowing me time and test resources to pursue
this project, to Jim McDonough from IBM (and the Samba Team) for his help, to
the IBM Linux JFS team for explaining many esoteric Linux filesystem features.
Jeremy Allison of the Samba team has done invaluable work in adding the server
side of the original CIFS Unix extensions and reviewing and implementing
portions of the newer CIFS POSIX extensions into the Samba 3 file server. Thank
Dave Boutcher of IBM Rochester (author of the OS/400 smb/cifs filesystem client)
for proving years ago that a very good smb/cifs client could be done on a Unix like
operating system. Volker Lendecke, Andrew Tridgell, Urban Widmark, John Newbigin
and others for their work on the Linux smbfs module over the years. Thanks to
for proving years ago that very good smb/cifs clients could be done on Unix-like
operating systems. Volker Lendecke, Andrew Tridgell, Urban Widmark, John
Newbigin and others for their work on the Linux smbfs module. Thanks to
the other members of the Storage Network Industry Association CIFS Technical
Workgroup for their work specifying this highly complex protocol and finally
thanks to the Samba team for their technical advice and encouragement.
@@ -24,9 +27,11 @@ Shobhit Dayal
Sergey Vlasov
Richard Hughes
Yury Umanets
Mark Hamzy
Mark Hamzy (for some of the early cifs IPv6 work)
Domen Puncer
Jesper Juhl
Jesper Juhl (in particular for lots of whitespace/formatting cleanup)
Vince Negri and Dave Stahl (for finding an important caching bug)
Adrian Bunk (kcalloc cleanups)
Test case and Bug Report contributors
-------------------------------------
@@ -36,7 +41,8 @@ Rene Scharfe, Martin Josefsson, Alexander Wild, Anthony Liguori,
Lars Muller, Urban Widmark, Massimiliano Ferrero, Howard Owen,
Olaf Kirch, Kieron Briggs, Nick Millington and others. Also special
mention to the Stanford Checker (SWAT) which pointed out many minor
bugs in error paths.
bugs in error paths. Valuable suggestions also have come from Al Viro
and Dave Miller.
And thanks to the IBM LTC and Power test teams and SuSE testers for
finding multiple bugs during excellent stress test runs.