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fuse: Introduce fuse_{at,de}tach_handlers()

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Pull setting up and tearing down the AIO context handlers into two
dedicated functions.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-ID: <20260309150856.26800-10-hreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hanna Czenczek
2026-03-09 16:08:40 +01:00
committed by Kevin Wolf
parent 8599559580
commit 4a8527e836
1 changed files with 16 additions and 16 deletions
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32
block/export/fuse.c
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@@ -78,27 +78,34 @@ static void read_from_fuse_export(void *opaque);
static bool is_regular_file(const char *path, Error **errp);
static void fuse_export_drained_begin(void *opaque)
static void fuse_attach_handlers(FuseExport *exp)
{
FuseExport *exp = opaque;
aio_set_fd_handler(exp->common.ctx,
fuse_session_fd(exp->fuse_session),
read_from_fuse_export, NULL, NULL, NULL, exp);
exp->fd_handler_set_up = true;
}
static void fuse_detach_handlers(FuseExport *exp)
{
aio_set_fd_handler(exp->common.ctx,
fuse_session_fd(exp->fuse_session),
NULL, NULL, NULL, NULL, NULL);
exp->fd_handler_set_up = false;
}
static void fuse_export_drained_begin(void *opaque)
{
fuse_detach_handlers(opaque);
}
static void fuse_export_drained_end(void *opaque)
{
FuseExport *exp = opaque;
/* Refresh AioContext in case it changed */
exp->common.ctx = blk_get_aio_context(exp->common.blk);
aio_set_fd_handler(exp->common.ctx,
fuse_session_fd(exp->fuse_session),
read_from_fuse_export, NULL, NULL, NULL, exp);
exp->fd_handler_set_up = true;
fuse_attach_handlers(exp);
}
static bool fuse_export_drained_poll(void *opaque)
@@ -209,11 +216,7 @@ static int fuse_export_create(BlockExport *blk_exp,
g_hash_table_insert(exports, g_strdup(exp->mountpoint), NULL);
aio_set_fd_handler(exp->common.ctx,
fuse_session_fd(exp->fuse_session),
read_from_fuse_export, NULL, NULL, NULL, exp);
exp->fd_handler_set_up = true;
fuse_attach_handlers(exp);
return 0;
fail:
@@ -335,10 +338,7 @@ static void fuse_export_shutdown(BlockExport *blk_exp)
fuse_session_exit(exp->fuse_session);
if (exp->fd_handler_set_up) {
aio_set_fd_handler(exp->common.ctx,
fuse_session_fd(exp->fuse_session),
NULL, NULL, NULL, NULL, NULL);
exp->fd_handler_set_up = false;
fuse_detach_handlers(exp);
}
}