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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-28 20:02:17 +00:00
ceph: clean up mount options, ->show_options()
Ensure all options are included in /proc/mounts. Some cleanup. Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
parent
1cd3935bed
commit
6e19a16ef2
2 changed files with 90 additions and 61 deletions
128
fs/ceph/super.c
128
fs/ceph/super.c
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@ -110,54 +110,6 @@ static int ceph_syncfs(struct super_block *sb, int wait)
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return 0;
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}
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/**
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* ceph_show_options - Show mount options in /proc/mounts
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* @m: seq_file to write to
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* @mnt: mount descriptor
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*/
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static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
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{
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struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
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struct ceph_mount_args *args = client->mount_args;
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if (args->flags & CEPH_OPT_FSID)
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seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
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le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
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le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
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if (args->flags & CEPH_OPT_NOSHARE)
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seq_puts(m, ",noshare");
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if (args->flags & CEPH_OPT_DIRSTAT)
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seq_puts(m, ",dirstat");
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if ((args->flags & CEPH_OPT_RBYTES) == 0)
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seq_puts(m, ",norbytes");
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if (args->flags & CEPH_OPT_NOCRC)
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seq_puts(m, ",nocrc");
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if (args->flags & CEPH_OPT_NOASYNCREADDIR)
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seq_puts(m, ",noasyncreaddir");
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if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
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seq_printf(m, ",snapdirname=%s", args->snapdir_name);
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if (args->name)
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seq_printf(m, ",name=%s", args->name);
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if (args->secret)
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seq_puts(m, ",secret=<hidden>");
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return 0;
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}
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/*
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* caches
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*/
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struct kmem_cache *ceph_inode_cachep;
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struct kmem_cache *ceph_cap_cachep;
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struct kmem_cache *ceph_dentry_cachep;
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struct kmem_cache *ceph_file_cachep;
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static void ceph_inode_init_once(void *foo)
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{
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struct ceph_inode_info *ci = foo;
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inode_init_once(&ci->vfs_inode);
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}
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static int default_congestion_kb(void)
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{
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int congestion_kb;
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@ -187,6 +139,80 @@ static int default_congestion_kb(void)
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return congestion_kb;
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}
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/**
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* ceph_show_options - Show mount options in /proc/mounts
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* @m: seq_file to write to
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* @mnt: mount descriptor
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*/
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static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
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{
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struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
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struct ceph_mount_args *args = client->mount_args;
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if (args->flags & CEPH_OPT_FSID)
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seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
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le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
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le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
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if (args->flags & CEPH_OPT_NOSHARE)
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seq_puts(m, ",noshare");
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if (args->flags & CEPH_OPT_DIRSTAT)
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seq_puts(m, ",dirstat");
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if ((args->flags & CEPH_OPT_RBYTES) == 0)
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seq_puts(m, ",norbytes");
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if (args->flags & CEPH_OPT_NOCRC)
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seq_puts(m, ",nocrc");
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if (args->flags & CEPH_OPT_NOASYNCREADDIR)
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seq_puts(m, ",noasyncreaddir");
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if (args->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT)
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seq_printf(m, ",mount_timeout=%d", args->mount_timeout);
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if (args->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT)
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seq_printf(m, ",osd_idle_ttl=%d", args->osd_idle_ttl);
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if (args->osd_timeout != CEPH_OSD_TIMEOUT_DEFAULT)
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seq_printf(m, ",osdtimeout=%d", args->osd_timeout);
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if (args->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT)
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seq_printf(m, ",osdkeepalivetimeout=%d",
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args->osd_keepalive_timeout);
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if (args->wsize)
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seq_printf(m, ",wsize=%d", args->wsize);
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if (args->rsize != CEPH_MOUNT_RSIZE_DEFAULT)
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seq_printf(m, ",rsize=%d", args->rsize);
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if (args->congestion_kb != default_congestion_kb())
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seq_printf(m, ",write_congestion_kb=%d", args->congestion_kb);
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if (args->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)
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seq_printf(m, ",caps_wanted_delay_min=%d",
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args->caps_wanted_delay_min);
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if (args->caps_wanted_delay_max != CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT)
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seq_printf(m, ",caps_wanted_delay_max=%d",
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args->caps_wanted_delay_max);
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if (args->cap_release_safety != CEPH_CAP_RELEASE_SAFETY_DEFAULT)
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seq_printf(m, ",cap_release_safety=%d",
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args->cap_release_safety);
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if (args->max_readdir != CEPH_MAX_READDIR_DEFAULT)
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seq_printf(m, ",readdir_max_entries=%d", args->max_readdir);
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if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
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seq_printf(m, ",snapdirname=%s", args->snapdir_name);
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if (args->name)
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seq_printf(m, ",name=%s", args->name);
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if (args->secret)
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seq_puts(m, ",secret=<hidden>");
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return 0;
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}
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/*
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* caches
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*/
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struct kmem_cache *ceph_inode_cachep;
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struct kmem_cache *ceph_cap_cachep;
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struct kmem_cache *ceph_dentry_cachep;
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struct kmem_cache *ceph_file_cachep;
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static void ceph_inode_init_once(void *foo)
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{
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struct ceph_inode_info *ci = foo;
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inode_init_once(&ci->vfs_inode);
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}
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static int __init init_caches(void)
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{
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ceph_inode_cachep = kmem_cache_create("ceph_inode_info",
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@ -305,6 +331,7 @@ enum {
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Opt_osd_idle_ttl,
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Opt_caps_wanted_delay_min,
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Opt_caps_wanted_delay_max,
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Opt_cap_release_safety,
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Opt_readdir_max_entries,
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Opt_congestion_kb,
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Opt_last_int,
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@ -336,6 +363,7 @@ static match_table_t arg_tokens = {
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{Opt_osd_idle_ttl, "osd_idle_ttl=%d"},
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{Opt_caps_wanted_delay_min, "caps_wanted_delay_min=%d"},
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{Opt_caps_wanted_delay_max, "caps_wanted_delay_max=%d"},
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{Opt_cap_release_safety, "cap_release_safety=%d"},
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{Opt_readdir_max_entries, "readdir_max_entries=%d"},
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{Opt_congestion_kb, "write_congestion_kb=%d"},
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/* int args above */
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@ -385,8 +413,8 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
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args->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;
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args->rsize = CEPH_MOUNT_RSIZE_DEFAULT;
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args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
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args->cap_release_safety = CEPH_CAPS_PER_RELEASE * 4;
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args->max_readdir = 1024;
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args->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT;
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args->max_readdir = CEPH_MAX_READDIR_DEFAULT;
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args->congestion_kb = default_congestion_kb();
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/* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */
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@ -52,24 +52,24 @@
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struct ceph_mount_args {
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int sb_flags;
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int num_mon;
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struct ceph_entity_addr *mon_addr;
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int flags;
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int mount_timeout;
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int osd_idle_ttl;
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int caps_wanted_delay_min, caps_wanted_delay_max;
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struct ceph_fsid fsid;
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struct ceph_entity_addr my_addr;
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int wsize;
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int rsize; /* max readahead */
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int max_readdir; /* max readdir size */
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int congestion_kb; /* max readdir size */
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int num_mon;
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struct ceph_entity_addr *mon_addr;
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int mount_timeout;
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int osd_idle_ttl;
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int osd_timeout;
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int osd_keepalive_timeout;
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int wsize;
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int rsize; /* max readahead */
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int congestion_kb; /* max writeback in flight */
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int caps_wanted_delay_min, caps_wanted_delay_max;
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int cap_release_safety;
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int max_readdir; /* max readdir size */
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char *snapdir_name; /* default ".snap" */
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char *name;
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char *secret;
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int cap_release_safety;
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};
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/*
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@ -80,13 +80,13 @@ struct ceph_mount_args {
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#define CEPH_OSD_KEEPALIVE_DEFAULT 5
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#define CEPH_OSD_IDLE_TTL_DEFAULT 60
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#define CEPH_MOUNT_RSIZE_DEFAULT (512*1024) /* readahead */
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#define CEPH_MAX_READDIR_DEFAULT 1024
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#define CEPH_MSG_MAX_FRONT_LEN (16*1024*1024)
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#define CEPH_MSG_MAX_DATA_LEN (16*1024*1024)
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#define CEPH_SNAPDIRNAME_DEFAULT ".snap"
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#define CEPH_AUTH_NAME_DEFAULT "guest"
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/*
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* Delay telling the MDS we no longer want caps, in case we reopen
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* the file. Delay a minimum amount of time, even if we send a cap
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@ -96,6 +96,7 @@ struct ceph_mount_args {
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#define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT 5 /* cap release delay */
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#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT 60 /* cap release delay */
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#define CEPH_CAP_RELEASE_SAFETY_DEFAULT (CEPH_CAPS_PER_RELEASE * 4)
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/* mount state */
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enum {
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