[SRU][j/f:azure][PATCH 0/1] Missing fix in linux kernel cifs/smb client module

John Cabaj john.cabaj at canonical.com
Fri Sep 27 19:30:49 UTC 2024


BugLink: https://bugs.launchpad.net/bugs/2071744

SRU Justification

[Impact]

* Adding missing patch to avoid file size updates from readdir during read/write lease.

[Fix]

* Backport from linux upstream, e4b61f3b1c67: "cifs: prevent updating file size from server if we have a read/write lease"

[Test Plan]

* Compile tested
* Boot tested
* Tested by Microsoft

[Regression potential]

* Changes isolated, minimal regression risk. Changes already backported to 6.8 kernel.
* Changes add two function, is_size_safe_to_change() and cifs_fattr_to_inode()

[Other info]

* SF #00388888

Bharath SM (1):
  cifs: prevent updating file size from server if we have a read/write
    lease

 fs/cifs/cifsproto.h |  6 ++++--
 fs/cifs/file.c      |  8 +++++---
 fs/cifs/inode.c     | 17 +++++++++--------
 fs/cifs/readdir.c   |  2 +-
 4 files changed, 19 insertions(+), 14 deletions(-)

-- 
2.43.0




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