| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 177 (replicate: On file/dir creation, replicate returns inode from random subvolumes)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=177
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afr_lk_cbk:
Use the original struct flock supplied by the
user to do further STACK_WIND's, and not the flock returned
by the previous STACK_WIND.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 159 (Client hangs when coherent byte range locks is attempted in replicate setup)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=159
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Remember the inode number that had been returned in lookup_cbk
and set the stat buf->ino to the same.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 166 (libglusterfsclient: Cached stat buf inode is different from ino in inode_t)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=166
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 166 (libglusterfsclient: Cached stat buf inode is different from ino in inode_t)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=166
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 130 (build warnings)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=130
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 138 (create family calls do not return stat buf from read child)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=138
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Also modifies the inode-write ops to wait for the call
to read-child to return (whether success or failure)
before unwinding.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 125 (stat information not returned from the same subvolume always)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=125
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 119 (filter + replicate crash..)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=119
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Also fixes a bug in the "KLUDGE" part. It was setting lookup_buf
when it should have been setting local->cont.lookup.buf
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 116 (Replicate: Need inode number from first subvolume on fresh lookup)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=116
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In AFR self-heal set timestamp of a freshly created missing entry
to that of the source entry.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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each of the subvolume
- This patch fixes bug #29.
- Using separate copies of dictionaries also eliminates a potential bug in a
setup consisting of afr with a posix and client, each having io-threads on
top as children. Since posix_xattrop after performing required operations
on the xattr array passed in dictionary, sets the result at the same key
and in the same dictionary passed as input argument,
there can be race conditions where in the results of the operation on
posix-child can be sent to the other child as input argument for xattrop,
which ofcourse is wrong.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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If readdir fails on a subvolume, do not
fail-over to the next subvolume, since the
order of entries and offsets won't be same
on all subvolumes.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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The AFR changelog xattrs, "trusted.afr.*" are now
filtered and prevented from being visible on the
mountpoint.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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size
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Metadata operations now lock only a single byte at offset
(LLONG_MAX - 1) instead of the whole file, to avoid contention
with writev().
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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xattrs on source subvolume for that dir/file
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impunge loop was 'continued' on a different subvolume in certain cases, resulting in healing of partial files
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compare for mismatching sizes and attributes before overwriting local->stbuf for read-child subvolume. This causes files with differing sizes on backed not to get self-healed if xattrs were missing.
Also add the ESTALE check for compulsorily failing revalidates in case of 2nd unwind and beyond
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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If select_source returns -1, abort self-heal.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Remove incorrect check for xattr[i] being NULL.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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__if_fd_pre_op_done - reset fd_ctx->pre_op_done to 0 so that double flushes do not result in two xattrop() calls
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Save the original pid while locking and restore it
after the FOP is done. This ensures posix-locks can
release locks (fcntl) properly.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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subvolumes while keeping existing data.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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If file sizes differ, then compulsorily do self-heal. If no 'wise'
sources are found, then pick a 'fool' with the biggest file size.
If even 'fools' aren't found, pick the 'innocent' source with the
biggest file size.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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If a pending xattr key is non-existent on a file (call such
files 'ignorant'), make all other non-ignorant subvolumes point
towards the ignorant one.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Decrement xattr during self-heal based on the original dict instead
of pending_matrix, as the pending_matrix might have been
altered later.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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If a writev fails, remember it by marking it in the fd context.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Transaction fops earlier called afr_transaction_child_died only
if an fop failed due to ENOTCONN or EBADFD. Now they consider a child
dead regardless of the reason for failure. This handles cases such
as ENOSPC.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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afr_sh_mark_sources now returns:
-1 if two wise subvols conflict (split-brain)
0 if all subvols are innocent (no self-heal needed)
>0 if sources found
Also, changes to callers of afr_sh_mark_sources to handle return
value properly.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Notification of a split-brain situation, which was earlier signalled
by the mere presence of inode context is now signalled by
the 'split_brain' member in the structure.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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one subvolume returns ESTALE.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Fixed typo.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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