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Commit b8a99a8f authored by Al Viro's avatar Al Viro Committed by Mike Marshall
Browse files

orangefs: saner calling conventions for getting a slot 



just have it return the slot number or -E... - the caller checks
the sign anyway

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarMike Marshall <hubcap@omnibond.com>
parent bf6bf606

fs/orangefs/dir.c

+3 −3
Original line number Diff line number Diff line
@@ -141,7 +141,6 @@ static long decode_dirents(char *ptr, size_t size, 
 */

static int orangefs_readdir(struct file *file, struct dir_context *ctx)

{

	struct orangefs_bufmap *bufmap = NULL;

	int ret = 0;

	int buffer_index;

	/*
@@ -205,8 +204,9 @@ static int orangefs_readdir(struct file *file, struct dir_context *ctx) 
	new_op->upcall.req.readdir.token = *ptoken;



get_new_buffer_index:

	ret = orangefs_readdir_index_get(&bufmap, &buffer_index);

	if (ret < 0) {

	buffer_index = orangefs_readdir_index_get();

	if (buffer_index < 0) {

		ret = buffer_index;

		gossip_lerr("orangefs_readdir: orangefs_readdir_index_get() failure (%d)\n",

			    ret);

		goto out_free_op;

fs/orangefs/file.c

+5 −5
Original line number Diff line number Diff line
@@ -87,7 +87,6 @@ static ssize_t wait_for_direct_io(enum ORANGEFS_io_type type, struct inode *inod 
{

	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);

	struct orangefs_khandle *handle = &orangefs_inode->refn.khandle;

	struct orangefs_bufmap *bufmap = NULL;

	struct orangefs_kernel_op_s *new_op = NULL;

	struct iov_iter saved = *iter;

	int buffer_index = -1;
@@ -104,11 +103,12 @@ static ssize_t wait_for_direct_io(enum ORANGEFS_io_type type, struct inode *inod 


populate_shared_memory:

	/* get a shared buffer index */

	ret = orangefs_bufmap_get(&bufmap, &buffer_index);

	if (ret < 0) {

	buffer_index = orangefs_bufmap_get();

	if (buffer_index < 0) {

		ret = buffer_index;

		gossip_debug(GOSSIP_FILE_DEBUG,

			     "%s: orangefs_bufmap_get failure (%ld)\n",

			     __func__, (long)ret);

			     "%s: orangefs_bufmap_get failure (%zd)\n",

			     __func__, ret);

		goto out;

	}

	gossip_debug(GOSSIP_FILE_DEBUG,

fs/orangefs/orangefs-bufmap.c

+6 −18
Original line number Diff line number Diff line
@@ -455,17 +455,11 @@ void orangefs_bufmap_run_down(void) 
 * gets a free mapped buffer descriptor, will sleep until one becomes

 * available if necessary

 *

 * returns 0 on success, -errno on failure

 * returns slot on success, -errno on failure

 */

int orangefs_bufmap_get(struct orangefs_bufmap **mapp, int *buffer_index)

int orangefs_bufmap_get(void)

{

	int ret = get(&rw_map);

	if (ret >= 0) {

		*mapp = __orangefs_bufmap;

		*buffer_index = ret;

		ret = 0;

	}

	return ret;

	return get(&rw_map);

}



/*
@@ -489,17 +483,11 @@ void orangefs_bufmap_put(int buffer_index) 
 * we could do that at a later point of time. Regardless, these

 * indices are used by the client-core.

 *

 * returns 0 on success, -errno on failure

 * returns slot on success, -errno on failure

 */

int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index)

int orangefs_readdir_index_get(void)

{

	int ret = get(&readdir_map);

	if (ret >= 0) {

		*mapp = __orangefs_bufmap;

		*buffer_index = ret;

		ret = 0;

	}

	return ret;

	return get(&readdir_map);

}



void orangefs_readdir_index_put(int buffer_index)

fs/orangefs/orangefs-bufmap.h

+2 −2
Original line number Diff line number Diff line
@@ -19,11 +19,11 @@ void orangefs_bufmap_finalize(void); 


void orangefs_bufmap_run_down(void);



int orangefs_bufmap_get(struct orangefs_bufmap **mapp, int *buffer_index);

int orangefs_bufmap_get(void);



void orangefs_bufmap_put(int buffer_index);



int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index);

int orangefs_readdir_index_get(void);



void orangefs_readdir_index_put(int buffer_index);