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862a629 xfs: use get_unused_fd_flags(0) instead of get_unused_fd()
9cee4c5 xfs: clean up unused codes at xfs_bulkstat()
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commit 862a62937e76a91da218c1ee4dceb7b0700fed67
Author: Yann Droneaud <ydroneaud@xxxxxxxxxx>
Date: Tue Jul 2 18:39:34 2013 +0200
xfs: use get_unused_fd_flags(0) instead of get_unused_fd()
Macro get_unused_fd() is used to allocate a file descriptor with
default flags. Those default flags (0) can be "unsafe":
O_CLOEXEC must be used by default to not leak file descriptor
across exec().
Instead of macro get_unused_fd(), functions anon_inode_getfd()
or get_unused_fd_flags() should be used with flags given by userspace.
If not possible, flags should be set to O_CLOEXEC to provide userspace
with a default safe behavor.
In a further patch, get_unused_fd() will be removed so that
new code start using anon_inode_getfd() or get_unused_fd_flags()
with correct flags.
This patch replaces calls to get_unused_fd() with equivalent call to
get_unused_fd_flags(0) to preserve current behavor for existing code.
The hard coded flag value (0) should be reviewed on a per-subsystem basis,
and, if possible, set to O_CLOEXEC.
Signed-off-by: Yann Droneaud <ydroneaud@xxxxxxxxxx>
Reviewed-by: Ben Myers <bpm@xxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 9cee4c5b7b706157554cb06ca949997240da725a
Author: Jie Liu <jeff.liu@xxxxxxxxxx>
Date: Mon Jul 1 21:51:32 2013 +0800
xfs: clean up unused codes at xfs_bulkstat()
There are some unused codes at xfs_bulkstat():
- Variable bp is defined to point to the on-disk inode cluster
buffer, but it proved to be of no practical help.
- We process the chunks of good inodes which were fetched by iterating
btree records from an AG. When processing inodes from each chunk,
the code recomputing agbno if run into the first inode of a cluster,
however, the agbno is not being used thereafter.
This patch tries to clean up those things.
Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_ioctl.c | 2 +-
fs/xfs/xfs_itable.c | 28 +---------------------------
2 files changed, 2 insertions(+), 28 deletions(-)
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