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gfapi: add new API glfs_set_xlator_option()

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This is the equivalent of specifying --xlator-option command line
argument to glusterfsd.

Change-Id: I1171dd518a85db4bd456fa0790f450e889a956cd
BUG: 953694
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/4927
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
This commit is contained in:
Anand Avati 2013-04-27 11:59:36 -07:00 committed by Vijay Bellur
parent aec246459b
commit 54b9cd3df3
3 changed files with 45 additions and 1 deletions
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1
api/src/glfs-mem-types.h
View File

@ -22,6 +22,7 @@ enum glfs_mem_types_ {
glfs_mt_glfs_fd_t,
glfs_mt_glfs_io_t,
glfs_mt_volfile_t,
glfs_mt_xlator_cmdline_option_t,
glfs_mt_end
};

42
api/src/glfs.c
View File

@ -21,7 +21,6 @@
- protocol/client to reconnect immediately after portmap disconnect.
- handle SEEK_END failure in _lseek()
- handle umask (per filesystem?)
- implement glfs_set_xlator_option(), like --xlator-option
- make itables LRU based
- implement glfs_fini()
- 0-copy for readv/writev
@ -279,6 +278,47 @@ out:
///////////////////////////////////////////////////////////////////////////////
int
glfs_set_xlator_option (struct glfs *fs, const char *xlator, const char *key,
const char *value)
{
xlator_cmdline_option_t *option = NULL;
option = GF_CALLOC (1, sizeof (*option),
glfs_mt_xlator_cmdline_option_t);
if (!option)
goto enomem;
INIT_LIST_HEAD (&option->cmd_args);
option->volume = gf_strdup (xlator);
if (!option->volume)
goto enomem;
option->key = gf_strdup (key);
if (!option->key)
goto enomem;
option->value = gf_strdup (value);
if (!option->value)
goto enomem;
list_add (&option->cmd_args, &fs->ctx->cmd_args.xlator_options);
return 0;
enomem:
errno = ENOMEM;
if (!option)
return -1;
GF_FREE (option->volume);
GF_FREE (option->key);
GF_FREE (option->value);
GF_FREE (option);
return -1;
}
struct glfs *
glfs_from_glfd (struct glfs_fd *glfd)
{

3
api/src/glfs.h
View File

@ -301,6 +301,9 @@ int glfs_close (glfs_fd_t *fd);
glfs_t *glfs_from_glfd (glfs_fd_t *fd);
int glfs_set_xlator_option (glfs_t *fs, const char *xlator, const char *key,
const char *value);
typedef void (*glfs_io_cbk) (glfs_fd_t *fd, ssize_t ret, void *data);
// glfs_{read,write}[_async]