- 02 9月, 2015 6 次提交
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由 Kinglong Mee 提交于
The return value from scnprintf always less than the buffer length. So, result >= len always false. This patch removes those checking. int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) { int i; i = vsnprintf(buf, size, fmt, args); if (likely(i < size)) return i; if (size != 0) return size - 1; return 0; } Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
The length of "Linux NFSv4.0 " is 14, not 10. Without this patch, I get a truncated client owner id as, "Linux NFSv4.0 ::1/::1" With this patch, "Linux NFSv4.0 ::1/::1 tcp" Fixes: a3192688 ("nfs: make nfs4_init_nonuniform_client_string use a dynamically allocated buffer") Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
If a read-write layout has an invalid mirror, then we should mark it as invalid, and return it. If a read-only layout has an invalid mirror, then mark it as invalid and check if there is still at least one valid mirror before we return it. Note: Also fix incorrect use of pnfs_generic_mark_devid_invalid(). We really want nfs4_mark_deviceid_unavailable(). Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Unlike read layouts, the writeable layout cannot fall back to using only one of the mirrors. It need to write to all of them. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Unlike the files layout, flexfiles does not test for the NFS_DEVICEID_INVALID flag. Instead it relies on NFS_DEVICEID_UNAVAILABLE. Fix is to replace with nfs4_mark_deviceid_unavailable(). Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Mirrors are now shared objects, so we should not be freeing them directly inside ff_layout_free_lseg(). We should already be doing the right thing in _ff_layout_free_lseg(), so just let it handle things. Also ensure that ff_layout_free_mirror() frees the RPC credential if it is set. Fixes: 28a0d72c ("Add refcounting to struct nfs4_ff_layout_mirror") Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 31 8月, 2015 5 次提交
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由 Trond Myklebust 提交于
If we have a read layout, then sanity check the minimal layout length so that it does not extend beyond the end of file. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
According to RFC5661 section 18.43.3, if the server cannot satisfy the loga_minlength argument to LAYOUTGET, there are 2 cases: 1) If loga_minlength == 0, it returns NFS4ERR_LAYOUTTRYLATER 2) If loga_minlength != 0, it returns NFS4ERR_BADLAYOUT Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
According to RFC5661 Section 18.2.4, CLOSE is supposed to return the zero stateid. This means that nfs_clear_open_stateid_locked() cannot assume that the result stateid will always match the 'other' field of the existing open stateid when trying to determine a race with a parallel OPEN. Instead, we look at the argument, and check for matches. Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
If the file was fenced and/or has been deleted on the DS, then we want to retry pNFS after a layoutreturn with error report. If the server cannot fix the problem, then we rely on it to tell us so in the response to the LAYOUTGET. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 30 8月, 2015 2 次提交
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由 Trond Myklebust 提交于
Add a shutdown() call before we release the socket in order to ensure the reset is sent before we try to reconnect. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
In case the reconnection attempt fails. Cc: stable@vger.kernel.org Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 28 8月, 2015 8 次提交
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由 Trond Myklebust 提交于
The "FIXME" is outdated. Flexfiles does add a payload. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
According to the flexfiles protocol, the layoutreturn should specify an array of errors in the following format: struct ff_ioerr4 { offset4 ffie_offset; length4 ffie_length; stateid4 ffie_stateid; device_error4 ffie_errors<>; }; This patch fixes up the code to ensure that our ffie_errors is indeed encoded as an array (albeit with only a single entry). Reported-by: NTom Haynes <thomas.haynes@primarydata.com> Cc: stable@vger.kernel.org Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
Client sends a SETATTR request after OPEN for updating attributes. For create file with S_ISGID is set, the S_ISGID in SETATTR will be ignored at nfs server as chmod of no PERMISSION. v3, same as v2. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
Create file with attributs as NFS4_CREATE_EXCLUSIVE4_1 mode depends on suppattr_exclcreat attribut. v3, same as v2. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
v4.1/v4.2 have define attributes at word2, nfs client also support security label now. v3, same as v2. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
Check opened, only update it when non-NULL. It's not needs define an unused value for the opened when calling _nfs4_do_open. v3, same as v2. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Kinglong Mee 提交于
Set rlimit for NFS's files is useless right now. For local process's rlimit, it should be checked by nfs client. The same, CIFS also call inode_change_ok checking rlimit at its client in cifs_setattr_nounix() and cifs_setattr_unix(). v3, fix bad using of error Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
It's not sufficient to just mark the layout segment for layout return. We also need to set the NFS_LAYOUT_RETURN_BEFORE_CLOSE flag in the layout header. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 26 8月, 2015 18 次提交
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由 Peng Tao 提交于
Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Peng Tao 提交于
Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
In order to ensure atomicity of updates, we merge the old layout segments into the new ones, and then invalidate the old ones. Also ensure that we order the list of layout segments so that RO segments are preferred over RW. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
This is needed in order to allow merging of contiguous layout segments, and also to correct the ordering of layouts for those device drivers that don't necessarily want to place the read-write layouts first. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Eliminate a couple of holes in the structure, and move the 2 atomics into the same cacheline. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 kbuild test robot 提交于
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Allow advanced users to set the layoutstats timer in order to lengthen or shorten the period between layoutstat transmissions to the server. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Keep the full list of mirrors in the struct nfs4_ff_layout_mirror so that they can be shared among the layout segments that use them. Also ensure that we send out only one copy of the layoutstats per mirror. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
When we start sharing mirrors between several lsegs, we won't be able to keep it. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
We do want to share mirrors between layout segments, so add a refcount to enable that. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Oleg Drokin 提交于
Removed references to ib_reg_phsy_mr() and PMR which was added to deal with some Chelsio specific scenario, but no longer needed now. Reported-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NAmir Shehata <amir.shehata@intel.com> Signed-off-by: NOleg Drokin <oleg.drokin@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Peng Tao 提交于
We do not want to update inode attributes with DS values. Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Peng Tao 提交于
If we return delegation before closing, we fail to do roc check during close because NFS_LAYOUT_ROC is cleared by delegreturn and it causes layouts to be still hanging around after delegreturn + close, which is a voilation against protocol. Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Only support for single file layoutrecall for now. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Allow tracing of return-on-close. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
If the ctime or mtime or change attribute have changed because of an operation we initiated, we should make sure that we force an attribute update. However we do not want to mark the page cache for revalidation. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com> Cc: stable@vger.kernel.org # v4.0+
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- 21 8月, 2015 1 次提交
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由 Trond Myklebust 提交于
Make sure that we also handle RPC level connection and protocol negotiation errors. Reported-by: NTom Haynes <loghyr@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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