diff options
author | Jan Kara <jack@suse.cz> | 2011-12-21 20:17:10 +0100 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-07 05:20:13 +0100 |
commit | c3aa077648e147783a7a53b409578234647db853 (patch) | |
tree | 6ad21f0a005080a1a89bcd736454bc32f0cffab4 /fs | |
parent | vfs: prevent remount read-only if pending removes (diff) | |
download | linux-c3aa077648e147783a7a53b409578234647db853.tar.xz linux-c3aa077648e147783a7a53b409578234647db853.zip |
reiserfs: Properly display mount options in /proc/mounts
Make reiserfs properly display mount options in /proc/mounts.
CC: reiserfs-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/reiserfs/bitmap.c | 91 | ||||
-rw-r--r-- | fs/reiserfs/super.c | 116 |
2 files changed, 197 insertions, 10 deletions
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c index d1aca1df4f92..a945cd265228 100644 --- a/fs/reiserfs/bitmap.c +++ b/fs/reiserfs/bitmap.c @@ -13,6 +13,7 @@ #include <linux/reiserfs_fs_sb.h> #include <linux/reiserfs_fs_i.h> #include <linux/quotaops.h> +#include <linux/seq_file.h> #define PREALLOCATION_SIZE 9 @@ -634,6 +635,96 @@ int reiserfs_parse_alloc_options(struct super_block *s, char *options) return 0; } +static void print_sep(struct seq_file *seq, int *first) +{ + if (!*first) + seq_puts(seq, ":"); + else + *first = 0; +} + +void show_alloc_options(struct seq_file *seq, struct super_block *s) +{ + int first = 1; + + if (SB_ALLOC_OPTS(s) == ((1 << _ALLOC_skip_busy) | + (1 << _ALLOC_dirid_groups) | (1 << _ALLOC_packing_groups))) + return; + + seq_puts(seq, ",alloc="); + + if (TEST_OPTION(concentrating_formatted_nodes, s)) { + print_sep(seq, &first); + if (REISERFS_SB(s)->s_alloc_options.border != 10) { + seq_printf(seq, "concentrating_formatted_nodes=%d", + 100 / REISERFS_SB(s)->s_alloc_options.border); + } else + seq_puts(seq, "concentrating_formatted_nodes"); + } + if (TEST_OPTION(displacing_large_files, s)) { + print_sep(seq, &first); + if (REISERFS_SB(s)->s_alloc_options.large_file_size != 16) { + seq_printf(seq, "displacing_large_files=%lu", + REISERFS_SB(s)->s_alloc_options.large_file_size); + } else + seq_puts(seq, "displacing_large_files"); + } + if (TEST_OPTION(displacing_new_packing_localities, s)) { + print_sep(seq, &first); + seq_puts(seq, "displacing_new_packing_localities"); + } + if (TEST_OPTION(old_hashed_relocation, s)) { + print_sep(seq, &first); + seq_puts(seq, "old_hashed_relocation"); + } + if (TEST_OPTION(new_hashed_relocation, s)) { + print_sep(seq, &first); + seq_puts(seq, "new_hashed_relocation"); + } + if (TEST_OPTION(dirid_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "dirid_groups"); + } + if (TEST_OPTION(oid_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "oid_groups"); + } + if (TEST_OPTION(packing_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "packing_groups"); + } + if (TEST_OPTION(hashed_formatted_nodes, s)) { + print_sep(seq, &first); + seq_puts(seq, "hashed_formatted_nodes"); + } + if (TEST_OPTION(skip_busy, s)) { + print_sep(seq, &first); + seq_puts(seq, "skip_busy"); + } + if (TEST_OPTION(hundredth_slices, s)) { + print_sep(seq, &first); + seq_puts(seq, "hundredth_slices"); + } + if (TEST_OPTION(old_way, s)) { + print_sep(seq, &first); + seq_puts(seq, "old_way"); + } + if (TEST_OPTION(displace_based_on_dirid, s)) { + print_sep(seq, &first); + seq_puts(seq, "displace_based_on_dirid"); + } + if (REISERFS_SB(s)->s_alloc_options.preallocmin != 0) { + print_sep(seq, &first); + seq_printf(seq, "preallocmin=%d", + REISERFS_SB(s)->s_alloc_options.preallocmin); + } + if (REISERFS_SB(s)->s_alloc_options.preallocsize != 17) { + print_sep(seq, &first); + seq_printf(seq, "preallocsize=%d", + REISERFS_SB(s)->s_alloc_options.preallocsize); + } +} + static inline void new_hashed_relocation(reiserfs_blocknr_hint_t * hint) { char *hash_in; diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 1abffa451529..19c454e61b79 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -28,6 +28,7 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/crc32.h> +#include <linux/seq_file.h> struct file_system_type reiserfs_fs_type; @@ -61,6 +62,7 @@ static int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs) static int reiserfs_remount(struct super_block *s, int *flags, char *data); static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf); +void show_alloc_options(struct seq_file *seq, struct super_block *s); static int reiserfs_sync_fs(struct super_block *s, int wait) { @@ -596,6 +598,82 @@ out: reiserfs_write_unlock_once(inode->i_sb, lock_depth); } +static int reiserfs_show_options(struct seq_file *seq, struct dentry *root) +{ + struct super_block *s = root->d_sb; + struct reiserfs_journal *journal = SB_JOURNAL(s); + long opts = REISERFS_SB(s)->s_mount_opt; + + if (opts & (1 << REISERFS_LARGETAIL)) + seq_puts(seq, ",tails=on"); + else if (!(opts & (1 << REISERFS_SMALLTAIL))) + seq_puts(seq, ",notail"); + /* tails=small is default so we don't show it */ + + if (!(opts & (1 << REISERFS_BARRIER_FLUSH))) + seq_puts(seq, ",barrier=none"); + /* barrier=flush is default so we don't show it */ + + if (opts & (1 << REISERFS_ERROR_CONTINUE)) + seq_puts(seq, ",errors=continue"); + else if (opts & (1 << REISERFS_ERROR_PANIC)) + seq_puts(seq, ",errors=panic"); + /* errors=ro is default so we don't show it */ + + if (opts & (1 << REISERFS_DATA_LOG)) + seq_puts(seq, ",data=journal"); + else if (opts & (1 << REISERFS_DATA_WRITEBACK)) + seq_puts(seq, ",data=writeback"); + /* data=ordered is default so we don't show it */ + + if (opts & (1 << REISERFS_ATTRS)) + seq_puts(seq, ",attrs"); + + if (opts & (1 << REISERFS_XATTRS_USER)) + seq_puts(seq, ",user_xattr"); + + if (opts & (1 << REISERFS_EXPOSE_PRIVROOT)) + seq_puts(seq, ",expose_privroot"); + + if (opts & (1 << REISERFS_POSIXACL)) + seq_puts(seq, ",acl"); + + if (REISERFS_SB(s)->s_jdev) + seq_printf(seq, ",jdev=%s", REISERFS_SB(s)->s_jdev); + + if (journal->j_max_commit_age != journal->j_default_max_commit_age) + seq_printf(seq, ",commit=%d", journal->j_max_commit_age); + +#ifdef CONFIG_QUOTA + if (REISERFS_SB(s)->s_qf_names[USRQUOTA]) + seq_printf(seq, ",usrjquota=%s", REISERFS_SB(s)->s_qf_names[USRQUOTA]); + else if (opts & (1 << REISERFS_USRQUOTA)) + seq_puts(seq, ",usrquota"); + if (REISERFS_SB(s)->s_qf_names[GRPQUOTA]) + seq_printf(seq, ",grpjquota=%s", REISERFS_SB(s)->s_qf_names[GRPQUOTA]); + else if (opts & (1 << REISERFS_GRPQUOTA)) + seq_puts(seq, ",grpquota"); + if (REISERFS_SB(s)->s_jquota_fmt) { + if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_OLD) + seq_puts(seq, ",jqfmt=vfsold"); + else if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_V0) + seq_puts(seq, ",jqfmt=vfsv0"); + } +#endif + + /* Block allocator options */ + if (opts & (1 << REISERFS_NO_BORDER)) + seq_puts(seq, ",block-allocator=noborder"); + if (opts & (1 << REISERFS_NO_UNHASHED_RELOCATION)) + seq_puts(seq, ",block-allocator=no_unhashed_relocation"); + if (opts & (1 << REISERFS_HASHED_RELOCATION)) + seq_puts(seq, ",block-allocator=hashed_relocation"); + if (opts & (1 << REISERFS_TEST4)) + seq_puts(seq, ",block-allocator=test4"); + show_alloc_options(seq, s); + return 0; +} + #ifdef CONFIG_QUOTA static ssize_t reiserfs_quota_write(struct super_block *, int, const char *, size_t, loff_t); @@ -616,7 +694,7 @@ static const struct super_operations reiserfs_sops = { .unfreeze_fs = reiserfs_unfreeze, .statfs = reiserfs_statfs, .remount_fs = reiserfs_remount, - .show_options = generic_show_options, + .show_options = reiserfs_show_options, #ifdef CONFIG_QUOTA .quota_read = reiserfs_quota_read, .quota_write = reiserfs_quota_write, @@ -914,9 +992,9 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin {"jdev",.arg_required = 'j',.values = NULL}, {"nolargeio",.arg_required = 'w',.values = NULL}, {"commit",.arg_required = 'c',.values = NULL}, - {"usrquota",.setmask = 1 << REISERFS_QUOTA}, - {"grpquota",.setmask = 1 << REISERFS_QUOTA}, - {"noquota",.clrmask = 1 << REISERFS_QUOTA}, + {"usrquota",.setmask = 1 << REISERFS_USRQUOTA}, + {"grpquota",.setmask = 1 << REISERFS_GRPQUOTA}, + {"noquota",.clrmask = 1 << REISERFS_USRQUOTA | 1 << REISERFS_GRPQUOTA}, {"errors",.arg_required = 'e',.values = error_actions}, {"usrjquota",.arg_required = 'u' | (1 << REISERFS_OPT_ALLOWEMPTY),.values = NULL}, @@ -1030,12 +1108,19 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin return 0; } strcpy(qf_names[qtype], arg); - *mount_options |= 1 << REISERFS_QUOTA; + if (qtype == USRQUOTA) + *mount_options |= 1 << REISERFS_USRQUOTA; + else + *mount_options |= 1 << REISERFS_GRPQUOTA; } else { if (qf_names[qtype] != REISERFS_SB(s)->s_qf_names[qtype]) kfree(qf_names[qtype]); qf_names[qtype] = NULL; + if (qtype == USRQUOTA) + *mount_options &= ~(1 << REISERFS_USRQUOTA); + else + *mount_options &= ~(1 << REISERFS_GRPQUOTA); } } if (c == 'f') { @@ -1074,9 +1159,10 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin "journaled quota format not specified."); return 0; } - /* This checking is not precise wrt the quota type but for our purposes it is sufficient */ - if (!(*mount_options & (1 << REISERFS_QUOTA)) - && sb_any_quota_loaded(s)) { + if ((!(*mount_options & (1 << REISERFS_USRQUOTA)) && + sb_has_quota_loaded(s, USRQUOTA)) || + (!(*mount_options & (1 << REISERFS_GRPQUOTA)) && + sb_has_quota_loaded(s, GRPQUOTA))) { reiserfs_warning(s, "super-6516", "quota options must " "be present when quota is turned on."); return 0; @@ -1224,7 +1310,8 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) safe_mask |= 1 << REISERFS_ERROR_RO; safe_mask |= 1 << REISERFS_ERROR_CONTINUE; safe_mask |= 1 << REISERFS_ERROR_PANIC; - safe_mask |= 1 << REISERFS_QUOTA; + safe_mask |= 1 << REISERFS_USRQUOTA; + safe_mask |= 1 << REISERFS_GRPQUOTA; /* Update the bitmask, taking care to keep * the bits we're not allowed to change here */ @@ -1671,6 +1758,14 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) &commit_max_age, qf_names, &qfmt) == 0) { goto error; } + if (jdev_name && jdev_name[0]) { + REISERFS_SB(s)->s_jdev = kstrdup(jdev_name, GFP_KERNEL); + if (!REISERFS_SB(s)->s_jdev) { + SWARN(silent, s, "", "Cannot allocate memory for " + "journal device name"); + goto error; + } + } #ifdef CONFIG_QUOTA handle_quota_files(s, qf_names, &qfmt); #endif @@ -2053,8 +2148,9 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, int err; struct inode *inode; struct reiserfs_transaction_handle th; + int opt = type == USRQUOTA ? REISERFS_USRQUOTA : REISERFS_GRPQUOTA; - if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA))) + if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt))) return -EINVAL; /* Quotafile not on the same filesystem? */ |