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booster: implement fchdir.

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Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 369 (Samba does not work with booster.)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=369
This commit is contained in:
Raghavendra G 2009-11-18 01:15:30 +00:00 committed by Anand V. Avati
parent 119b179fdc
commit c7dba5ff14
1 changed files with 43 additions and 0 deletions
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43
booster/src/booster.c
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@ -191,6 +191,8 @@ static ssize_t (*real_sendfile64) (int out_fd, int in_fd, off_t *offset,
size_t count);
static int (*real_fcntl) (int fd, int cmd, ...);
static int (*real_chdir) (const char *path);
static int (*real_fchdir) (int fd);
static char * (*real_getcwd) (char *buf, size_t size);
#define RESOLVE(sym) do { \
if (!real_##sym) \
@ -2740,6 +2742,45 @@ unlock:
}
int
fchdir (int fd)
{
int ret = -1;
glusterfs_file_t glfs_fd = 0;
char cwd[PATH_MAX];
char *res = NULL;
glfs_fd = booster_fdptr_get (booster_fdtable, fd);
if (!glfs_fd) {
gf_log ("booster", GF_LOG_TRACE, "Not a booster fd");
if (real_write == NULL) {
errno = ENOSYS;
ret = -1;
} else {
ret = real_fchdir (fd);
if (ret == 0) {
res = real_getcwd (cwd, PATH_MAX);
if (res == NULL) {
gf_log ("booster", GF_LOG_ERROR,
"getcwd failed (%s)",
strerror (errno));
ret = -1;
} else {
glusterfs_chdir (cwd);
}
}
}
} else {
gf_log ("booster", GF_LOG_TRACE, "Is a booster fd");
ret = glusterfs_fchdir (glfs_fd);
booster_fdptr_put (glfs_fd);
}
return ret;
}
void
booster_lib_init (void)
{
@ -2818,6 +2859,8 @@ booster_lib_init (void)
RESOLVE (readdir64_r);
RESOLVE (fcntl);
RESOLVE (chdir);
RESOLVE (fchdir);
RESOLVE (getcwd);
/* This must be called after resolving real functions
* above so that the socket based IO calls in libglusterfsclient