- 25 9月, 2012 15 次提交
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由 Jeff Layton 提交于
Eventually, we're going to want to append a list of pages to cifs_readdata instead of a list of kvecs. To prepare for that, turn the kvec array allocation into a separate one and just keep a pointer to it in the readdata. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
Reviewed-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
Acked-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Pavel Shilovsky 提交于
This is help us to extend the code for future protocols that can use another fid mechanism (as SMB2 that has it divided into two parts: persistent and violatile). Also rename variables and refactor the code around the changes. Reviewed-by: NJeff Layton <jlayton@samba.org> Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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- 07 9月, 2012 1 次提交
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由 Pavel Shilovsky 提交于
Cc: <stable@vger.kernel.org> Signed-off-by: NPavel Shilovsky <pshilovsky@etersoft.ru> Signed-off-by: NSteve French <smfrench@gmail.com>
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- 26 7月, 2012 1 次提交
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由 Jeff Layton 提交于
The readpages bug is a regression that was introduced in 6993f74a. This also fixes a couple of similar bugs in the uncached read and write codepaths. Also, prevent this sort of thing in the future by having cifsFileInfo_get take the spinlock itself, and adding a _locked variant for use in places that are already holding the lock. The _put code has always done that so this makes for a less confusing interface. Cc: <stable@vger.kernel.org> # 3.5.x Reviewed-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <smfrench@gmail.com>
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- 25 7月, 2012 1 次提交
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由 Pavel Shilovsky 提交于
Since both CIFS and SMB2 use ses->capabilities (server->capabilities) field but flags are different we should make such checks protocol independent. Reviewed-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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- 24 7月, 2012 3 次提交
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由 Pavel Shilovsky 提交于
Acked-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Jeff Layton 提交于
struct file_lock is pretty large, so we really don't want that on the stack in a potentially long call chain. Reorganize the arguments to CIFSSMBPosixLock to eliminate the need for that. Eliminate the get_flag and simply use a non-NULL pLockInfo to indicate that this is a "get" operation. In order to do that, need to add a new loff_t argument for the start_offset. Reported-by: NAl Viro <viro@ZenIV.linux.org.uk> Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <smfrench@gmail.com>
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由 Jeff Layton 提交于
Those macros add a newline on their own, so there's not any need to embed one in the message itself. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <smfrench@gmail.com>
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- 02 6月, 2012 2 次提交
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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由 Pavel Shilovsky 提交于
when cifs_reconnect sets maxBuf to 0 and we try to calculate a size of memory we need to store locks. Signed-off-by: NPavel Shilovsky <pshilovsky@samba.org> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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- 23 5月, 2012 1 次提交
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由 Shirish Pargaonkar 提交于
While traversing the linked list of open file handles, if the identfied file handle is invalid, a reopen is attempted and if it fails, we resume traversing where we stopped and cifs can oops while accessing invalid next element, for list might have changed. So mark the invalid file handle and attempt reopen if no valid file handle is found in rest of the list. If reopen fails, move the invalid file handle to the end of the list and start traversing the list again from the begining. Repeat this four times before giving up and returning an error if file reopen keeps failing. Cc: <stable@vger.kernel.org> Signed-off-by: NShirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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- 17 5月, 2012 10 次提交
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru>
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由 Pavel Shilovsky 提交于
Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru>
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由 Pavel Shilovsky 提交于
to handle SMB2 lock type field further. Acked-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru>
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由 Pavel Shilovsky 提交于
CIFS brlock cache can be used by several file handles if we have a write-caching lease on the file that is supported by SMB2 protocol. Prepate the code to handle this situation correctly by sorting brlocks by a fid to easily push them in portions when lease break comes. Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru>
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由 Jeff Layton 提交于
Convert cifs_iovec_read to use async I/O. This also raises the limit on the rsize for uncached reads. We first allocate a set of pages to hold the replies, then issue the reads in parallel and then collect the replies and copy the results into the iovec. A possible future optimization would be to kmap and inline the iovec buffers and read the data directly from the socket into that. That would require some rather complex conversion of the iovec into a kvec however. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
We'll need this same bit of code for the uncached case. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
This isn't strictly necessary for the async readpages code, but the uncached version will need to be able to collect the replies after issuing the calls. Add a kref to cifs_readdata and use change the code to take and put references appropriately. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
Cached and uncached reads will need to do different things here to handle the difference when the pages are in pagecache and not. Abstract out the function that marshals the page list into a kvec array. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
We'll need different completion routines for an uncached read. Allow the caller to set the one he needs at allocation time. Also, move most of these functions to file.c so we can make more of them static. Signed-off-by: NJeff Layton <jlayton@redhat.com>
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- 20 4月, 2012 1 次提交
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由 Jeff Layton 提交于
In the recent update of the cifs_iovec_write code to use async writes, the handling of the file position was broken. That patch added a local "offset" variable to handle the offset, and then only updated the original "*poffset" before exiting. Unfortunately, it copied off the original offset from the beginning, instead of doing so after generic_write_checks had been called. Fix this by moving the initialization of "offset" after that in the function. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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- 02 4月, 2012 2 次提交
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由 Pavel Shilovsky 提交于
We can deadlock if we have a write oplock and two processes use the same file handle. In this case the first process can't unlock its lock if the second process blocked on the lock in the same time. Fix it by using posix_lock_file rather than posix_lock_file_wait under cinode->lock_mutex. If we request a blocking lock and posix_lock_file indicates that there is another lock that prevents us, wait untill that lock is released and restart our call. Cc: stable@kernel.org Acked-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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由 Steve French 提交于
Revert previous version of patch to incorporate feedback so that we can merge version 3 of the patch instead.w This reverts commit b5efb978.
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- 01 4月, 2012 1 次提交
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由 Pavel Shilovsky 提交于
We can deadlock if we have a write oplock and two processes use the same file handle. In this case the first process can't unlock its lock if another process blocked on the lock in the same time. Fix this by removing lock_mutex protection from waiting on a blocked lock and protect only posix_lock_file call. Cc: stable@kernel.org Signed-off-by: NPavel Shilovsky <piastry@etersoft.ru> Acked-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NSteve French <sfrench@us.ibm.com>
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- 24 3月, 2012 2 次提交
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由 Steve French 提交于
Signed-off-by: NSteve French <sfrench@us.ibm.com> Reviewed-by: NJeff Layton <jlayton@redhat.com>
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由 Jeff Layton 提交于
Signed-off-by: NJeff Layton <jlayton@redhat.com> Reviewed-by: NPavel Shilovsky <piastry@etersoft.ru>
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