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vfs: Provide sb->s_iflags settings in fs_context struct

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Provide a field in the fs_context struct through which bits in the
sb->s_iflags superblock field can be set.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-fsdevel@vger.kernel.org
This commit is contained in:
David Howells
2019-03-25 16:38:23 +00:00
committed by Al Viro
parent 7cdfa44227
commit c80fa7c830
2 changed files with 2 additions and 0 deletions
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1
fs/super.c
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@@ -540,6 +540,7 @@ retry:
} }
fc->s_fs_info = NULL; fc->s_fs_info = NULL;
s->s_type = fc->fs_type; s->s_type = fc->fs_type;
s->s_iflags |= fc->s_iflags;
strlcpy(s->s_id, s->s_type->name, sizeof(s->s_id)); strlcpy(s->s_id, s->s_type->name, sizeof(s->s_id));
list_add_tail(&s->s_list, &super_blocks); list_add_tail(&s->s_list, &super_blocks);
hlist_add_head(&s->s_instances, &s->s_type->fs_supers); hlist_add_head(&s->s_instances, &s->s_type->fs_supers);

1
include/linux/fs_context.h
View File

@@ -103,6 +103,7 @@ struct fs_context {
void *s_fs_info; /* Proposed s_fs_info */ void *s_fs_info; /* Proposed s_fs_info */
unsigned int sb_flags; /* Proposed superblock flags (SB_*) */ unsigned int sb_flags; /* Proposed superblock flags (SB_*) */
unsigned int sb_flags_mask; /* Superblock flags that were changed */ unsigned int sb_flags_mask; /* Superblock flags that were changed */
unsigned int s_iflags; /* OR'd with sb->s_iflags */
unsigned int lsm_flags; /* Information flags from the fs to the LSM */ unsigned int lsm_flags; /* Information flags from the fs to the LSM */
enum fs_context_purpose purpose:8; enum fs_context_purpose purpose:8;
enum fs_context_phase phase:8; /* The phase the context is in */ enum fs_context_phase phase:8; /* The phase the context is in */