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We must create the file based on the O_CREATE in the flags
instead of depending on the return status of the lookup.
This works because we've already handled O_EXCL earlier and
also handled a missing file(ENOENT)
in case this was actually an open and not create.
Adapted from Raghu's original patch.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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On lookup failure, if O_CREAT is required, then we must:
1. explicitly lookup the parent directory.
2. create a new inode for the new file being opened.
This special case is required for file creation because:
1. We cannot depend on the previous lookup to have reliably looked up
the parent inode.
2. inode for the new file does not exist in the itable.
Patch adapted from Raghu's original fix.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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Dont depend on the dentry and explicit lookup function, i.e.
libgf_client_path_lookup(..), to return ENOENT on not
finding a dentry. Just use op_ret = -1 as a lookup failure
status.
Patch adapted from Raghu's original fix.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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libgf_client_loc_fill gets passed a name=NULL argument.
So when this function returns the filled loc argument, this loc
is actually missing the inode structure that was to be filled.
The segfault actually occurs a few lines later when
we try to access fd->flags but fd returned by fd_create is NULL
because we'd passed a NULL inode to it, i.e. the loc->inode.
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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- glusterfs_fgetxattr and glusterfs_fsetxattr earlier used lookup and setxattr
fops for implementation. Change it to use fgetxattr and fsetxattr fops
instead.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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libgf_client_path_lookup
- this simplifies the resolution of path to inode, the apis which receive
path as argument just need to call libgf_client_path_lookup for
path->inode translation.
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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- remove redundent lookups happening in glusterfs_get.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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- add dentry support to libglusterfsclient.
- changes related to using array, to store context in inode instead of
dictionary.
- code changes related to cleanup of libglusterfsclient interface.
- added glusterfs_mkdir and glusterfs_rmdir
- other changes in libglusterfsclient to make it work with code changes
in other parts of glusterfs.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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inode_ctx_get was being passed a xlator_t type
that was initialized to NULL resulting in a
EINVAL return from glusterfs_fstat.
Reported on gluster-devel
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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implementation is changed to hold inode->lock.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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updated copyright header to include 2009.
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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