diff options
Diffstat (limited to 'libglusterfs')
| -rw-r--r-- | libglusterfs/src/fd.c | 41 | ||||
| -rw-r--r-- | libglusterfs/src/fd.h | 4 |
2 files changed, 36 insertions, 9 deletions
diff --git a/libglusterfs/src/fd.c b/libglusterfs/src/fd.c index 373f8da0f48..7177fa275db 100644 --- a/libglusterfs/src/fd.c +++ b/libglusterfs/src/fd.c @@ -744,7 +744,7 @@ fd_lookup_uint64 (inode_t *inode, uint64_t pid) } static fd_t * -__fd_lookup_anonymous (inode_t *inode) +__fd_lookup_anonymous (inode_t *inode, int32_t flags) { fd_t *iter_fd = NULL; fd_t *fd = NULL; @@ -753,7 +753,7 @@ __fd_lookup_anonymous (inode_t *inode) return NULL; list_for_each_entry (iter_fd, &inode->fd_list, inode_list) { - if (iter_fd->anonymous) { + if ((iter_fd->anonymous) && (flags == iter_fd->flags)) { fd = __fd_ref (iter_fd); break; } @@ -763,11 +763,11 @@ __fd_lookup_anonymous (inode_t *inode) } static fd_t * -__fd_anonymous (inode_t *inode) +__fd_anonymous (inode_t *inode, int32_t flags) { fd_t *fd = NULL; - fd = __fd_lookup_anonymous (inode); + fd = __fd_lookup_anonymous (inode, flags); /* if (fd); then we already have increased the refcount in __fd_lookup_anonymous(), so no need of one more fd_ref(). @@ -780,7 +780,7 @@ __fd_anonymous (inode_t *inode) return NULL; fd->anonymous = _gf_true; - fd->flags = GF_ANON_FD_FLAGS; + fd->flags = GF_ANON_FD_FLAGS|flags; __fd_bind (fd); @@ -798,7 +798,32 @@ fd_anonymous (inode_t *inode) LOCK (&inode->lock); { - fd = __fd_anonymous (inode); + fd = __fd_anonymous (inode, GF_ANON_FD_FLAGS); + } + UNLOCK (&inode->lock); + + return fd; +} + +fd_t * +fd_anonymous_with_flags (inode_t *inode, int32_t flags) +{ + fd_t *fd = NULL; + + LOCK (&inode->lock); + { + if (flags == 0) + flags = GF_ANON_FD_FLAGS; + /* If this API is ever called with O_SYNC or O_DSYNC in @flags, + * reset the bits associated with these flags before calling + * __fd_anonymous(). That way, posix will do the open() without + * these flags. And subsequently, posix_writev() (mostly) will + * do the write within inode->lock on an fd without O_SYNC or + * O_DSYNC and in its place to an fsync() outside of the locks + * to simulate the effect of using these flags. + */ + flags &= (~(O_SYNC|O_DSYNC)); + fd = __fd_anonymous (inode, flags); } UNLOCK (&inode->lock); @@ -806,7 +831,7 @@ fd_anonymous (inode_t *inode) } fd_t* -fd_lookup_anonymous (inode_t *inode) +fd_lookup_anonymous (inode_t *inode, int32_t flags) { fd_t *fd = NULL; @@ -818,7 +843,7 @@ fd_lookup_anonymous (inode_t *inode) LOCK (&inode->lock); { - fd = __fd_lookup_anonymous (inode); + fd = __fd_lookup_anonymous (inode, flags); } UNLOCK (&inode->lock); return fd; diff --git a/libglusterfs/src/fd.h b/libglusterfs/src/fd.h index a6dc48a0b0e..322cac7dd1f 100644 --- a/libglusterfs/src/fd.h +++ b/libglusterfs/src/fd.h @@ -136,11 +136,13 @@ fd_t * fd_lookup_uint64 (struct _inode *inode, uint64_t pid); fd_t* -fd_lookup_anonymous (inode_t *inode); +fd_lookup_anonymous (inode_t *inode, int32_t flags); fd_t * fd_anonymous (inode_t *inode); +fd_t * +fd_anonymous_with_flags (inode_t *inode, int32_t flags); gf_boolean_t fd_is_anonymous (fd_t *fd); |