| commit | 91196c20a37bb5990e4358ff97dbeb2bd3007154 | |
| author | Jinshan Xiong <jinshan.xiong@intel.com> | |
| Tue, 16 Aug 2016 20:18:44 +0000 (16 16:18 -0400) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Sun, 21 Aug 2016 13:57:35 +0000 (21 15:57 +0200) | ||
| tree | f633c8e53d446e7dbe4837d7d109702c39f991e1 | treesnapshot (tar.gz zip) |
| parent | 9b58714f9ab4138dabcf7176fdc465bd00afeae9 | commitdiff |
staging: lustre: llite: avoid a deadlock in page write
For a partial page write, it will have to issue a READ RPC firstly
to get a full uptodate page. If another page is already locked by
this thread it can easily cause deadlock.
Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4873
Reviewed-on: http://review.whamcloud.com/9928
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For a partial page write, it will have to issue a READ RPC firstly
to get a full uptodate page. If another page is already locked by
this thread it can easily cause deadlock.
Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4873
Reviewed-on: http://review.whamcloud.com/9928
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/staging/lustre/lustre/llite/rw26.c | diffblobblamehistory |