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| author | Volker Lendecke <vl@samba.org> | 2012-07-13 13:59:52 +0200 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2012-07-18 15:51:53 -0700 |
| commit | 38dd5b24bb148e50bc7810f6c20d71a33b5a4199 (patch) | |
| tree | ee1a414b0af7dd60647c8a3965089aac0f261c43 /source3/modules/vfs_aio_fork.c | |
| parent | e3f3c09504f1c6bdeeeea685b073762170f00e33 (diff) | |
| download | samba-38dd5b24bb148e50bc7810f6c20d71a33b5a4199.tar.gz samba-38dd5b24bb148e50bc7810f6c20d71a33b5a4199.tar.bz2 samba-38dd5b24bb148e50bc7810f6c20d71a33b5a4199.zip | |
s3-aio-fork: make "read_cmd" an enum
Signed-off-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'source3/modules/vfs_aio_fork.c')
| -rw-r--r-- | source3/modules/vfs_aio_fork.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/source3/modules/vfs_aio_fork.c b/source3/modules/vfs_aio_fork.c index 76153e38bc..210fde1b31 100644 --- a/source3/modules/vfs_aio_fork.c +++ b/source3/modules/vfs_aio_fork.c @@ -79,10 +79,33 @@ fail: return NULL; } +enum cmd_type { + READ_CMD, + WRITE_CMD +}; + +static const char *cmd_type_str(enum cmd_type cmd) +{ + const char *result; + + switch (cmd) { + case READ_CMD: + result = "READ"; + break; + case WRITE_CMD: + result = "WRITE"; + break; + default: + result = "<UNKNOWN>"; + break; + } + return result; +} + struct rw_cmd { size_t n; off_t offset; - bool read_cmd; + enum cmd_type cmd; }; struct rw_ret { @@ -323,7 +346,7 @@ static void aio_child_loop(int sockfd, struct mmap_area *map) } DEBUG(10, ("aio_child_loop: %s %d bytes at %d from fd %d\n", - cmd_struct.read_cmd ? "read" : "write", + cmd_type_str(cmd_struct.cmd), (int)cmd_struct.n, (int)cmd_struct.offset, fd)); #ifdef ENABLE_BUILD_FARM_HACKS @@ -348,7 +371,8 @@ static void aio_child_loop(int sockfd, struct mmap_area *map) ZERO_STRUCT(ret_struct); - if (cmd_struct.read_cmd) { + switch (cmd_struct.cmd) { + case READ_CMD: ret_struct.size = sys_pread( fd, (void *)map->ptr, cmd_struct.n, cmd_struct.offset); @@ -358,11 +382,15 @@ static void aio_child_loop(int sockfd, struct mmap_area *map) ret_struct.size = MAX(1, ret_struct.size * 0.9); #endif #endif - } - else { + break; + case WRITE_CMD: ret_struct.size = sys_pwrite( fd, (void *)map->ptr, cmd_struct.n, cmd_struct.offset); + break; + default: + ret_struct.size = -1; + errno = EINVAL; } DEBUG(10, ("aio_child_loop: syscall returned %d\n", @@ -571,7 +599,7 @@ static struct tevent_req *aio_fork_pread_send(struct vfs_handle_struct *handle, ZERO_STRUCT(cmd); cmd.n = n; cmd.offset = offset; - cmd.read_cmd = true; + cmd.cmd = READ_CMD; DEBUG(10, ("sending fd %d to child %d\n", fsp->fh->fd, (int)state->child->pid)); @@ -682,7 +710,7 @@ static struct tevent_req *aio_fork_pwrite_send( ZERO_STRUCT(cmd); cmd.n = n; cmd.offset = offset; - cmd.read_cmd = false; + cmd.cmd = WRITE_CMD; DEBUG(10, ("sending fd %d to child %d\n", fsp->fh->fd, (int)state->child->pid)); |