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vfs: Use const for kernel parser table
This is a much better version of a previous patch to make the parser tables constant. Rather than changing the typedef, we put the "const" in all the various places where its required, allowing the __initconst exception for nfsroot which was the cause of the previous trouble. This was posted for review some time ago and I believe its been in -mm since then. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Alexander Viro <aviro@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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54cebc68c8
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@ -659,7 +659,7 @@ enum {
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Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err,
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};
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static match_table_t spufs_tokens = {
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static const match_table_t spufs_tokens = {
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{ Opt_uid, "uid=%d" },
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{ Opt_gid, "gid=%d" },
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{ Opt_mode, "mode=%o" },
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@ -219,7 +219,7 @@ static int hypfs_release(struct inode *inode, struct file *filp)
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enum { opt_uid, opt_gid, opt_err };
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static match_table_t hypfs_tokens = {
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static const match_table_t hypfs_tokens = {
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{opt_uid, "uid=%u"},
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{opt_gid, "gid=%u"},
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{opt_err, NULL}
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@ -1683,7 +1683,7 @@ enum {
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SRP_OPT_SERVICE_ID),
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};
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static match_table_t srp_opt_tokens = {
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static const match_table_t srp_opt_tokens = {
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{ SRP_OPT_ID_EXT, "id_ext=%s" },
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{ SRP_OPT_IOC_GUID, "ioc_guid=%s" },
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{ SRP_OPT_DGID, "dgid=%s" },
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@ -97,7 +97,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_devuid, "devuid=%u"},
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{Opt_devgid, "devgid=%u"},
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{Opt_devmode, "devmode=%o"},
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@ -55,7 +55,7 @@ enum {
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Opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_debug, "debug=%x"},
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{Opt_dfltuid, "dfltuid=%u"},
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{Opt_dfltgid, "dfltgid=%u"},
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@ -157,7 +157,7 @@ static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
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enum {Opt_uid, Opt_gid, Opt_ownmask, Opt_othmask, Opt_err};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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{Opt_ownmask, "ownmask=%o"},
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@ -135,7 +135,7 @@ enum {
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Opt_verbose, Opt_volume, Opt_ignore, Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_bs, "bs=%u"},
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{Opt_mode, "mode=%o"},
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{Opt_mufs, "mufs"},
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@ -64,7 +64,7 @@ enum {
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afs_opt_vol,
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};
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static match_table_t afs_options_list = {
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static const match_table_t afs_options_list = {
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{ afs_opt_cell, "cell=%s" },
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{ afs_opt_rwpath, "rwpath" },
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{ afs_opt_vol, "vol=%s" },
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@ -59,7 +59,7 @@ static const struct super_operations autofs_sops = {
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enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto};
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static match_table_t autofs_tokens = {
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static const match_table_t autofs_tokens = {
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{Opt_fd, "fd=%u"},
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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@ -213,7 +213,7 @@ static const struct super_operations autofs4_sops = {
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enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto,
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Opt_indirect, Opt_direct, Opt_offset};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_fd, "fd=%u"},
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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@ -650,7 +650,7 @@ enum {
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Opt_uid, Opt_gid, Opt_charset, Opt_debug, Opt_err,
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};
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static match_table_t befs_tokens = {
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static const match_table_t befs_tokens = {
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{Opt_uid, "uid=%d"},
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{Opt_gid, "gid=%d"},
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{Opt_charset, "iocharset=%s"},
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@ -49,7 +49,7 @@ enum {
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Opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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{Opt_mode, "mode=%o"},
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@ -211,7 +211,7 @@ enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig,
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ecryptfs_opt_passthrough, ecryptfs_opt_xattr_metadata,
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ecryptfs_opt_encrypted_view, ecryptfs_opt_err };
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{ecryptfs_opt_sig, "sig=%s"},
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{ecryptfs_opt_ecryptfs_sig, "ecryptfs_sig=%s"},
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{ecryptfs_opt_cipher, "cipher=%s"},
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@ -393,7 +393,7 @@ enum {
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Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_bsd_df, "bsddf"},
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{Opt_minix_df, "minixdf"},
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{Opt_grpid, "grpid"},
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@ -760,7 +760,7 @@ enum {
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Opt_grpquota
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_bsd_df, "bsddf"},
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{Opt_minix_df, "minixdf"},
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{Opt_grpid, "grpid"},
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@ -919,7 +919,7 @@ enum {
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Opt_inode_readahead_blks
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_bsd_df, "bsddf"},
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{Opt_minix_df, "minixdf"},
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{Opt_grpid, "grpid"},
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@ -855,7 +855,7 @@ enum {
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Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_err,
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};
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static match_table_t fat_tokens = {
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static const match_table_t fat_tokens = {
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{Opt_check_r, "check=relaxed"},
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{Opt_check_s, "check=strict"},
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{Opt_check_n, "check=normal"},
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@ -890,14 +890,14 @@ static match_table_t fat_tokens = {
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{Opt_tz_utc, "tz=UTC"},
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{Opt_err, NULL},
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};
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static match_table_t msdos_tokens = {
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static const match_table_t msdos_tokens = {
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{Opt_nodots, "nodots"},
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{Opt_nodots, "dotsOK=no"},
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{Opt_dots, "dots"},
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{Opt_dots, "dotsOK=yes"},
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{Opt_err, NULL}
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};
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static match_table_t vfat_tokens = {
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static const match_table_t vfat_tokens = {
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{Opt_charset, "iocharset=%s"},
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{Opt_shortname_lower, "shortname=lower"},
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{Opt_shortname_win95, "shortname=win95"},
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@ -354,7 +354,7 @@ enum {
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OPT_ERR
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{OPT_FD, "fd=%u"},
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{OPT_ROOTMODE, "rootmode=%o"},
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{OPT_USER_ID, "user_id=%u"},
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@ -46,7 +46,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_lockproto, "lockproto=%s"},
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{Opt_locktable, "locktable=%s"},
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{Opt_hostdata, "hostdata=%s"},
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@ -173,7 +173,7 @@ enum {
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opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{ opt_uid, "uid=%u" },
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{ opt_gid, "gid=%u" },
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{ opt_umask, "umask=%o" },
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@ -25,7 +25,7 @@ enum {
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opt_force, opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{ opt_creator, "creator=%s" },
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{ opt_type, "type=%s" },
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{ opt_umask, "umask=%o" },
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@ -215,7 +215,7 @@ enum {
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Opt_timeshift, Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_help, "help"},
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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@ -57,7 +57,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_size, "size=%s"},
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{Opt_nr_inodes, "nr_inodes=%s"},
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{Opt_mode, "mode=%o"},
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@ -310,7 +310,7 @@ enum {
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Opt_nocompress, Opt_hide, Opt_showassoc, Opt_dmode,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_norock, "norock"},
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{Opt_nojoliet, "nojoliet"},
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{Opt_unhide, "unhide"},
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@ -199,7 +199,7 @@ enum {
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Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_integrity, "integrity"},
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{Opt_nointegrity, "nointegrity"},
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{Opt_iocharset, "iocharset=%s"},
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@ -127,7 +127,7 @@ enum {
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Opt_err
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};
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static match_table_t __initdata tokens = {
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static match_table_t __initconst tokens = {
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{Opt_port, "port=%u"},
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{Opt_rsize, "rsize=%u"},
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{Opt_wsize, "wsize=%u"},
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@ -98,7 +98,7 @@ enum {
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Opt_err
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};
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static match_table_t nfs_mount_option_tokens = {
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static const match_table_t nfs_mount_option_tokens = {
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{ Opt_userspace, "bg" },
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{ Opt_userspace, "fg" },
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{ Opt_userspace, "retry=%s" },
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@ -163,7 +163,7 @@ enum {
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Opt_xprt_err
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};
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static match_table_t nfs_xprt_protocol_tokens = {
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static const match_table_t nfs_xprt_protocol_tokens = {
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{ Opt_xprt_udp, "udp" },
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{ Opt_xprt_tcp, "tcp" },
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{ Opt_xprt_rdma, "rdma" },
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@ -180,7 +180,7 @@ enum {
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Opt_sec_err
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};
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static match_table_t nfs_secflavor_tokens = {
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static const match_table_t nfs_secflavor_tokens = {
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{ Opt_sec_none, "none" },
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{ Opt_sec_none, "null" },
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{ Opt_sec_sys, "sys" },
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@ -157,7 +157,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_barrier, "barrier=%u"},
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{Opt_err_panic, "errors=panic"},
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{Opt_err_ro, "errors=remount-ro"},
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@ -346,7 +346,7 @@ enum {
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Opt_uid, Opt_gid, Opt_umask, Opt_dmask, Opt_fmask
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_uid, "uid=%u"},
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{Opt_gid, "gid=%u"},
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{Opt_umask, "umask=%o"},
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@ -848,7 +848,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_fast_unmount, "fast_unmount"},
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{Opt_norm_unmount, "norm_unmount"},
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{Opt_err, NULL},
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@ -369,7 +369,7 @@ enum {
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Opt_err, Opt_uforget, Opt_uignore, Opt_gforget, Opt_gignore
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_novrs, "novrs"},
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{Opt_nostrict, "nostrict"},
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{Opt_bs, "bs=%u"},
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@ -309,7 +309,7 @@ enum {
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Opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_type_old, "ufstype=old"},
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{Opt_type_sunx86, "ufstype=sunx86"},
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{Opt_type_sun, "ufstype=sun"},
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@ -1233,7 +1233,7 @@ static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs)
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{
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struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb);
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unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE;
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struct match_token *tp = tokens;
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const struct match_token *tp = tokens;
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while (tp->token != Opt_onerror_panic && tp->token != mval)
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++tp;
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@ -158,7 +158,7 @@ enum {
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Opt_barrier, Opt_nobarrier, Opt_err
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_barrier, "barrier"},
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{Opt_nobarrier, "nobarrier"},
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{Opt_err, NULL}
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@ -25,7 +25,7 @@ typedef struct {
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char *to;
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} substring_t;
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int match_token(char *, match_table_t table, substring_t args[]);
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int match_token(char *, const match_table_t table, substring_t args[]);
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int match_int(substring_t *, int *result);
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int match_octal(substring_t *, int *result);
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int match_hex(substring_t *, int *result);
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@ -100,7 +100,7 @@ static int match_one(char *s, const char *p, substring_t args[])
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* format identifiers which will be taken into account when matching the
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* tokens, and whose locations will be returned in the @args array.
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*/
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int match_token(char *s, match_table_t table, substring_t args[])
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int match_token(char *s, const match_table_t table, substring_t args[])
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{
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const struct match_token *p;
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@ -52,7 +52,7 @@ enum {
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Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_msize, "msize=%u"},
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{Opt_legacy, "noextend"},
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{Opt_trans, "trans=%s"},
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@ -86,7 +86,7 @@ enum {
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Opt_port, Opt_rfdno, Opt_wfdno, Opt_err,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_port, "port=%u"},
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{Opt_rfdno, "rfdno=%u"},
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{Opt_wfdno, "wfdno=%u"},
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@ -325,7 +325,7 @@ enum {
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Opt_rootcontext = 4,
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};
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static match_table_t tokens = {
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static const match_table_t tokens = {
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{Opt_context, CONTEXT_STR "%s"},
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{Opt_fscontext, FSCONTEXT_STR "%s"},
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{Opt_defcontext, DEFCONTEXT_STR "%s"},
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