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[v6.6,34/57] eventfs: Fix bitwise fields for "is_events"

Message ID 20240206120951.901001747@rostedt.homelinux.com
State New
Headers
Series eventfs: Linus's updates for 6.6 |

Commit Message

Steven Rostedt Feb. 6, 2024, 12:09 p.m. UTC 
  From: "Steven Rostedt (Google)" <rostedt@goodmis.org>

A flag was needed to denote which eventfs_inode was the "events"
directory, so a bit was taken from the "nr_entries" field, as there's not
that many entries, and 2^30 is plenty. But the bit number for nr_entries
was not updated to reflect the bit taken from it, which would add an
unnecessary integer to the structure.

Link: https://lore.kernel.org/linux-trace-kernel/20240102151832.7ca87275@gandalf.local.home

Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: 7e8358edf503e ("eventfs: Fix file and directory uid and gid ownership")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
(cherry picked from commit fd56cd5f6d76e93356d9520cf9dabffe1e3d1aa0)
---
 fs/tracefs/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
index 899e447778ac..42bdeb471a07 100644
--- a/fs/tracefs/internal.h
+++ b/fs/tracefs/internal.h
@@ -63,7 +63,7 @@  struct eventfs_inode {
 	};
 	unsigned int			is_freed:1;
 	unsigned int			is_events:1;
-	unsigned int			nr_entries:31;
+	unsigned int			nr_entries:30;
 };
 
 static inline struct tracefs_inode *get_tracefs(const struct inode *inode)